{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "353356",
    "entityType": "User",
    "nonce": "0xd0cb9f38a5c284d04f1a727a18e9af69899045c1e933307adead450e08a00c34",
    "signature": "0xaaf9e048363276c8e85e94cbfdb350a59cd7c3f76bd5abab54f315f87dd8b27e24a305f23589240854fc9149859d07d4be5a4bb9210af46886903c44ff9bb8b31c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}