{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227970",
    "entityType": "User",
    "nonce": "0xbb61e1e914e1f9918552c2aaa9cd26e57ce30149e38fbda6002b0aec5d75bf63",
    "signature": "0x8d62662fad55c95046176a8fb0683381db948439d6adbe7eadbc2c857ca3f2624bdbf931406f24a3906b6b5f3126e15ec0f9554047e5a6919ec6d13bdbda7d861b",
    "signer": "0x4D8EDeF47b57f98c89BDFf851267B0327BE4cD05",
    "userId": "5307724"
  }
}