{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "88665",
    "entityType": "User",
    "nonce": "0xcc638e58bb1599e324d7b7be81e186722582f88cdead5b0f53df8c39284d738a",
    "signature": "0x399cc48b26dce0c95215a692ab8f98a4270dc261531d59395ee4f6fc2c25caa86f72ed62c79276856666a23f6767177dba39ed9c778921d967ef736d528fb6de1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}