{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0x0f1e63186744a80577ee5b7be56de55de5548b7d7e4fb8ea333afbce78c9dd81",
    "signature": "0xde9b3a7924a7530935a9bc314d4f6b095aa1a36c0ab83706a62233403f0435fe643e6a82d4211dad473ae68854e5331890cbe568db1bdad6ddb2a6cbf578daec1b",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}