{
  "manageEntity": {
    "action": "Create",
    "entityId": "303074659",
    "entityType": "User",
    "metadata": "{\"cid\":null,\"data\":null}",
    "nonce": "0xc49ebab980f90e384d2a40651d04308ba8159140b44ed92e9e28fb9eab7c0d7d",
    "signature": "0xa06a3cccb66cb1ac6afd183ecffa762b03cbb3161addb0a25c5c3dbfa5fbac102f42bbd6f92b14b27da1031fdbcc701c265e8d83e5180350745f631fa012f76e1b",
    "signer": "0xa0d8C204a38080458AC0f27900A699213e7cCe63",
    "userId": "303074659"
  }
}