{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54099",
    "entityType": "User",
    "nonce": "0x8a3f12b37302e486d529500a3a399f5f2257b9e61c5ecf0061a06bbfea310d99",
    "signature": "0x8ac45801b9b115fc8f6e7682a33400d7f4520c8895c1393c11660c0dc87a6773799fdbade7ac342153c9765103d964fe4b78a9fae8c246db31072eb39f86eddf1c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}