{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "893287807",
    "entityType": "User",
    "nonce": "0x5904be2c20df06edb52165b7d085a3677b167e110fb562b6b00b0f94ff99b5d7",
    "signature": "0xb6b47b55b2c408097fb8cab958960001e38f0a4963522a41b00e89ff629bdf6c3234a4f1839c2dcc22c193d8146177ad335a889221217883e92b6768cc7d4f6f1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}