{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "392127",
    "entityType": "User",
    "nonce": "0x2b38b6b73f8b65dfca01f800e0ec05bea4197a5c30faf82883d0ffe48ac7e0fc",
    "signature": "0x59e621fbabe7f96df1ed43c1f002069b673a304c1d194f4fd90d57ea756541764f1bb5b5559c8dd8011ca065ec42e87322c1064c46381a09ff891292763445851b",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}