{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "696716320",
    "entityType": "User",
    "nonce": "0x2fb12f26a387337532887479ee15c7bb5296415ebe235b908f5f14cf22315225",
    "signature": "0x87e9ac1fe02207489e7e66e9f944da3d9cca29e1518bae2da475bcef6b3edf946db609f0cff19edf8732b37e6ad52f50a16cbc1d61dc56aa448debc33b5bc4e81c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}