{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2012591",
    "entityType": "User",
    "nonce": "0xdf8fdf3fdb36e6fa7cfeb80c0242378c615a5b3d09aac608ae6ce4e3bd70243c",
    "signature": "0x49dc8fe46b5249cf369e355a8b114659fe1260be5d2cf09f1a122f3fceced3151117d0db232a475d98fbcf4a08c2aae889f9254b7936f804d27d2e8dff29a4941c",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}