{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1694318",
    "entityType": "User",
    "nonce": "0x89a2abc9b13588fd979e2e747cecbfcdcaabf653c8fcb3786227292f61f0024e",
    "signature": "0x899bb7695ce88657249183aa9ffd515f8a4538c8d09d0bc9f764b5eda17643954fb264c06c0a6962ab0dcc5ac00423350f9d390f2f4199c2c0f904fb105d02aa1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}