{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x001984154d1c4d16ad95db7903de970122af8ce41c70685509f4471ebc1d898a",
    "signature": "0xeb537891945579467d25b915c40df333af66ff73f0d9b4da234b37ead1eab05e7c5b70796a23fcf83bfb3e6c8a5920039efb4d56953818c71525bbf2ffa29d021c",
    "signer": "0x8c83aB7F6a7f7A93A7CeFeF6E16b212bA43529f5",
    "userId": "549340592"
  }
}