{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18168",
    "entityType": "User",
    "nonce": "0x1db6f8343dd0dd7e8e295a4c0491acde3d60a0ebba3eabb1651118f5de311536",
    "signature": "0xa5cda12fab2f5dc173263fc77d32769e82d40be05343b073c938c2c0f949a8a17d36ca8769b67c81a12864727069313215b93c36b8b7d707b8a8284a380b573d1b",
    "signer": "0x36d561a0A85f6dd1a94f699a1077dD537A799687",
    "userId": "214954322"
  }
}