{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "230111",
    "entityType": "User",
    "nonce": "0xd28ce642084ce7508ab537770d1306d56c26dd6fd71c7be521c5c689a64e74d0",
    "signature": "0x2ea9739c22165930fe73fe9b8b7c84602fa6adc8bd51389df595f47490283759194c75f0e6700027f5ddd0554b3fb0be655200996395ece60eb60a8c61d2595b1c",
    "signer": "0xf86eFbd04a21E17dBD9908C016306c8211e740B4",
    "userId": "770730210"
  }
}