{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xde63942fc78391a2f463d3b65d7f6c3570618526d33bd8c0e22da629a6cae5b2",
    "signature": "0x5bd10e44700c3a08e311e06f8bec89c645c48b097bb8fa62081a65536ca6f8b051dfa4c2653cca5a4c3ae05de97ecaa17eceb345b809352801a64a77b5567f591b",
    "signer": "0xCFAd6E193e3d4A3A3243FE7D3a1c7F638f121Ae4",
    "userId": "88904142"
  }
}