{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xd813682198010187de740cef30ae150ac918490e37371a5dfebee0cc31d75567",
    "signature": "0x4101f0149155709f35ba432fde5cfa116970daf5a26f35e1acfcc0f4003acb60355fb8624fb1f3b5809906a4ab1d34b236dd500c945eba132a1388852d52de1d1c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}