{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x486f02360b6e55624f64b7eae2fa62113b30e69b0533ceea80c7e14295465517",
    "signature": "0xdcf6cf08e12f3c0c2fd63f1e36771c30756fb8b32f72c26a7b289f71c9b799b04b659fc031cf1aa1bf22f6358b7517ffc6075e781701129984e933b4b27f1e541c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}