{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xf9df0917b5d8d172e956467ebac8e13000455bfdd8e3207843a03139e5b96c7d",
    "signature": "0x2e1bad7d358cb8e8ccc8c188af9cdd4ec6c9089c7abb27fd4b5a8b99c05ac3e864d6812168afd2316a716169a846a3e45074f1ff28e3726b49c8485512b66aec1b",
    "signer": "0xFCdf899365d2fD042C4A0A2DB1715E79DF054F23",
    "userId": "672425286"
  }
}