{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8e12ea523b3ece71bd11eea6b5872612d21913dcfa2ccdcf77d0e38e9a411394",
    "signature": "0xb86aeb2a0e95656a49d36a21535172806cd3729b93e956d6ac9a2296b1d6441a4ca3388e9ccc05420f2282adc37935dc31fced0a76c182ca45c3270991d954911b",
    "signer": "0x083626C5983025BFec0Ca7BC8FC5B244f8e29b75",
    "userId": "482858095"
  }
}