{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x410ddd5731a61f411b8ffd3cd91d8d012f3ed5fa2d52d22c84f63cfe323eadf3",
    "signature": "0x36780d89507edc7607b40d48599275751517e3cbab0d7330e39798713cf607670aeb0e68894923ebe92d9472f06992b5297099dd5d68322082f8c81c9fd0142c1c",
    "signer": "0x46ECf83B77C4b8bEa00d024616B7522C53096eb0",
    "userId": "654574340"
  }
}