{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "225231",
    "entityType": "User",
    "nonce": "0x58b4391bf94205e64fb04306cdde3a305f67b8e18e0e4ecdc31383d12430e24a",
    "signature": "0x81eb0ca4cb4d2774fde33b79801aca0a06ff20e06014a9245c52ac75545841ea3d2ef05f7b5e713ee1b9fdffce87ca455f9223a7c306c1726e62d8e846364b551b",
    "signer": "0x60532210A45928d9c9fE548C0ba6Ffa21DE9254b",
    "userId": "237191"
  }
}