{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "382132",
    "entityType": "User",
    "nonce": "0x9a04b246296bfa79a48ed0d8df1d19f05870d9a41a17b613ec497394824af516",
    "signature": "0x87184a52baa74a892d908d5b51b86b92e114287b290bce4ba52bf8ddb46f19211474d0c48cdb6887bd108539d4385bcdf7361ada0e3f4105d41991183adeb24a1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}