Restful API problems with fields of class

Good morning,
i activated the plug in restful and when i go to invoke / entities / on a single entity it returns me a json without the class fields like this

[{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-f90aa957-3b6d-8f6a-4148-d2a698b178f0 [detached]”,“id”:“f90aa957-3b6d-8f6a-4148-d2a698b178f0”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-103fa115-599e-eaed-ab8a-798a0bbfcee4 [detached]”,“id”:“103fa115-599e-eaed-ab8a-798a0bbfcee4”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-0194c47c-c711-acab-6e54-09dc4de679ce [detached]”,“id”:“0194c47c-c711-acab-6e54-09dc4de679ce”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-5e924d4e-8d36-5fc5-415d-6454863d9b7e [detached]”,“id”:“5e924d4e-8d36-5fc5-415d-6454863d9b7e”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-13e9e86e-8463-4606-3cd5-a45ac0c9bb42 [detached]”,“id”:“13e9e86e-8463-4606-3cd5-a45ac0c9bb42”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-09691eaf-9a91-5206-f730-86494d98d9b2 [detached]”,“id”:“09691eaf-9a91-5206-f730-86494d98d9b2”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-6ff63f74-d341-209d-3149-31773d38b3af [detached]”,“id”:“6ff63f74-d341-209d-3149-31773d38b3af”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-323199ed-d080-030a-adff-977dd8345b1e [detached]”,“id”:“323199ed-d080-030a-adff-977dd8345b1e”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-986b3911-919d-1fc7-d63a-9d785936bc0f [detached]”,“id”:“986b3911-919d-1fc7-d63a-9d785936bc0f”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-12ed48de-7adf-0875-d4f2-eb14fd1fc5c6 [detached]”,“id”:“12ed48de-7adf-0875-d4f2-eb14fd1fc5c6”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-d8561c64-214b-2c89-77aa-2ed6b2378641 [detached]”,“id”:“d8561c64-214b-2c89-77aa-2ed6b2378641”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-0827f6f9-3c16-5b79-dd72-e7df793ea5f1 [detached]”,“id”:“0827f6f9-3c16-5b79-dd72-e7df793ea5f1”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-09e676c7-2c49-aad8-af12-fd12895eeb21 [detached]”,“id”:“09e676c7-2c49-aad8-af12-fd12895eeb21”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-9891a364-c01d-4279-e31c-3d57d245e729 [detached]”,“id”:“9891a364-c01d-4279-e31c-3d57d245e729”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-64f56d97-ab5b-64af-31d5-3ff9f86a8efd [detached]”,“id”:“64f56d97-ab5b-64af-31d5-3ff9f86a8efd”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-d7fa08af-bc3c-e92f-263c-717d999f2a8b [detached]”,“id”:“d7fa08af-bc3c-e92f-263c-717d999f2a8b”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-66fb1f52-4664-540b-f6a8-887cf2f4351e [detached]”,“id”:“66fb1f52-4664-540b-f6a8-887cf2f4351e”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-0026e97a-e6d7-1b30-f020-043294c41dc1 [detached]”,“id”:“0026e97a-e6d7-1b30-f020-043294c41dc1”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-375c4e6b-51f1-df3a-12d4-024d0caaf7db [detached]”,“id”:“375c4e6b-51f1-df3a-12d4-024d0caaf7db”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-80b9e845-0e76-2758-7fad-f2363ee82007 [detached]”,“id”:“80b9e845-0e76-2758-7fad-f2363ee82007”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-7198dc29-cacd-4ceb-9c42-21f59f93acfa [detached]”,“id”:“7198dc29-cacd-4ceb-9c42-21f59f93acfa”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-134f04e6-3e9f-7e80-1bbb-13b6f29f733c [detached]”,“id”:“134f04e6-3e9f-7e80-1bbb-13b6f29f733c”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-6125d261-74fe-681b-65e7-1dc516864a50 [detached]”,“id”:“6125d261-74fe-681b-65e7-1dc516864a50”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-2c99f813-30f4-2a2c-a1c5-f866933bf3db [detached]”,“id”:“2c99f813-30f4-2a2c-a1c5-f866933bf3db”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-1e16ebf4-a3a7-c373-4517-79bbaad16056 [detached]”,“id”:“1e16ebf4-a3a7-c373-4517-79bbaad16056”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-7c83bd25-e6ff-96d7-4442-8732118529ba [detached]”,“id”:“7c83bd25-e6ff-96d7-4442-8732118529ba”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-d138c26f-bfe6-be11-4d05-56eebb3713a9 [detached]”,“id”:“d138c26f-bfe6-be11-4d05-56eebb3713a9”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-67bb785c-0a7f-02dd-6211-c4d7f356eba4 [detached]”,“id”:“67bb785c-0a7f-02dd-6211-c4d7f356eba4”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-ce812807-a88c-0acb-bf9b-07a8f7710917 [detached]”,“id”:“ce812807-a88c-0acb-bf9b-07a8f7710917”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-78f61f73-4883-284f-ae2b-ee9cffec48f2 [detached]”,“id”:“78f61f73-4883-284f-ae2b-ee9cffec48f2”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-63eebdb5-b482-e829-0767-105ae01ad284 [detached]”,“id”:“63eebdb5-b482-e829-0767-105ae01ad284”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-9b1f800c-9b0d-5fbc-5eb7-256df55b51d6 [detached]”,“id”:“9b1f800c-9b0d-5fbc-5eb7-256df55b51d6”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-21ccd215-80d1-5ed0-353c-be8a55cb95f8 [detached]”,“id”:“21ccd215-80d1-5ed0-353c-be8a55cb95f8”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-1ef59a04-79f8-eabe-f95c-9f1749d4884e [detached]”,“id”:“1ef59a04-79f8-eabe-f95c-9f1749d4884e”},{"_entityName":“savio_Areatematica”,"_instanceName":“com.company.savio.entity.Areatematica-0f21c20d-26df-811a-681d-e8510332ad56 [detached]”,“id”:“0f21c20d-26df-811a-681d-e8510332ad56”}]

Hi,
Please make sure that in the role editor or role definition you granted Read “entity permission” for the entity, and Modify or Read-Only “attribute permissions” for all attributes of this entity.