{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x8018315720e5e394eb401d9b584a803e1d45a4fd1f0d535db196f06485258338",
    "signature": "0x60aaaee14daadd2c8b8cc0ea2d24e80557557829954be73bb291789c91a18b3d6f5a0dedcf560f100b93368c7cae00321ed7736f3ba065f365c8a01aebca8a361c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}