{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51797",
    "entityType": "User",
    "nonce": "0x4679125b4b995ca20f97111e15ec568df7e7a232551fd200b93b86dd6d31e6d6",
    "signature": "0x0ab6fe2fdc8d19c8bd9ae5b3a05d47e97e3ebe38b4c75dfb78f5a59a5b36382a15b0f5da694b7f04d84419eb774d58b04772cdc683de53021a893501acbf83241b",
    "signer": "0x686Bc6B6feE40A52Be47899175f284eECD2aaB62",
    "userId": "416057557"
  }
}