{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x97927678e0681923622977aa4963ad1c195192960e66dcdaaa2dc617f55a1133",
    "signature": "0xfb00c96e9d5a310a2d92a413a6ab762a68a7949bffa2d0bd74d0f8fe172b09aa1123b9067d3ed647d7caea6d0b73e0d23da462509094692a57ca8ae085a1921a1c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}