{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "302385956",
    "entityType": "User",
    "nonce": "0x53f54c250e7a37456ef6f8306d2c3dcb04ef64b3138738067c932fcab2e183f4",
    "signature": "0xcb0fb7c932e069faf5e303d97619a21e28d3ae4249566b487c6b34880f61c59e746930118a5b4ce5eeb594139d4ac2cb77d0afe67574f609d03b26c395f633541c",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}