{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x70ebad8a21acefc9be21143919e4e2af881c984e7ad6afba8be7fe1c0c3905e3",
    "signature": "0x4cc133a20fe2aea6bd4fcca659397d11acbb3ccd19ae253f5e9331000699e638568989d18c92e7f4e7547421a474a1e290815dccda4fde12f233e547e8f1a3d41b",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}