{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "460109700",
    "entityType": "User",
    "nonce": "0x04ca8b5ad2488f97d62ff7df45debd3df22249fb5a32cd9be740ee80b2a66a3d",
    "signature": "0x88db064986e7aa55fc2237f4f5a6dd087fdf9e394b418376ec5795ff68cb267b1caa8432d1b399fcdcfb7710486af21bfcaab17b5ef9fa15dcd8e65631885b571c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}