{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "110507",
    "entityType": "User",
    "nonce": "0x5376bee27047c6c0980768c83a3c67985848c3203d943cbfac38cf676f7eb455",
    "signature": "0x3eeb846d53382cc1b5363935efc5f090351a011950cae324b9e3ba6ee88a32ae77adc91adecf791635c63cec08b9f9619c84ebf051e70c26eba79edac46762001c",
    "signer": "0x766Ba5816f1Cbcd9649d3b301b8F423CFF252fdb",
    "userId": "758745"
  }
}