{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "206762",
    "entityType": "User",
    "nonce": "0x11c1e0e923afc088893d84eaeada33c775fe27e56e7ab41baabe1a6b6d9cdbc9",
    "signature": "0x553d04701bc5a88e94407266f0d38f37b3750c901888866549e86e2771ddbc8b5688d2f20efa362b95b8e2f6ffb4d7831655c0b56197fbd58dc599647e5e13301c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}