{
  "manageEntity": {
    "action": "Create",
    "entityId": "689942636",
    "entityType": "User",
    "metadata": "{\"cid\":null,\"data\":null}",
    "nonce": "0xf91dd43f71c3f563b0ca6b307cf0c0d82fe0320cb5ee726c2e7920e701b9c122",
    "signature": "0x34d9a405e7dc2c8fca933cc750271211a919ce28c7ac29340681fb32003be3412bab72654635ef31d8bd36ef5b124e522e0479c190cc4657a8ab94650520332b1c",
    "signer": "0xE654E5fFE1A86cE4964f8D2dFC8676C1F78E34be",
    "userId": "689942636"
  }
}