{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1833",
    "entityType": "User",
    "nonce": "0xaab34287d1f593b78a6408290884c1b48bd13457282fcc68be9963a1a0f62ff3",
    "signature": "0x5c4692f49bd09e6511b872363032859148012c27f9bd9a6b4f51cf37d2b00ec2303006228f830e58385fa1535cf13da202f511f8f7218a174109ba360a983f831b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}