{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9611",
    "entityType": "User",
    "nonce": "0x889a6f5974134c557fb0209ab81f1154c4128dc9d23cb84c2de0b16e229c1f8e",
    "signature": "0x7b4663f8d820d95c5f757b76a17c290a3b2484631a047d93c15435126e7c5b152210e91aa334123378426d2e32d779a1fcc1467ed457a43f0f2ac7c2ede857611b",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}