{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x874185a4498c8885238e00eadf1eddbedc3d42b2d857e8682db4e7908ae34d8f",
    "signature": "0xef3a99126ada0f81b0f318b56975406cadb81e63969c7ee70ba1a13957e53674019828b85d645c830c47de18f14704565f19f1f66eba281f8b8a658a8fe038551b",
    "signer": "0xdAe564CB0713a3D034A47afef0ab351208dA6B6a",
    "userId": "5434033"
  }
}