{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "580720856",
    "entityType": "User",
    "nonce": "0x3b5a43056b21544dfc18cb61d52cde04f24fa84bcfcac5458b3f399b86d1f307",
    "signature": "0xd2ec53ddd4f77942535a3b12dd6349b7d62b8abeb9eb744221caf7e3cfa634f303dda07e8be8eeff1a488c45eede23ce9e26a904b0f48b8c137d7e9b89bc7d9e1c",
    "signer": "0xD9A9ce288bCAE5105Ce96746a6244b77B7fca77c",
    "userId": "8662"
  }
}