{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x59467358b91d8d3959a97b82d16bb745a7c31a03cb5981277c69624ff8eff6a4",
    "signature": "0x0f1d9200f4443da2cb0a4d60a8c66b851ad363c28bb858ca6b65f607d255fbf029ea54df0e08dc3637c5f25061744b4b886154145b38692ec0b290951a6b2a0e1b",
    "signer": "0x6bFdA7F67147F3B5a1029c91BF1574cC86EC9e5F",
    "userId": "696810334"
  }
}