{
  "manageEntity": {
    "action": "Create",
    "entityId": "738363750",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraimu5xx5knonilvgudscael2ogeedpitzt6tu43zqzlqm6wmbvkxq\",\"data\":{\"handle\":\"www123\",\"events\":{},\"location\":\"Liumacun\",\"name\":\"www123\",\"wallet\":\"0xBB00208e99a2bdf716AB90e9F3C2928A7E512c5d\"}}",
    "nonce": "0x2e60852cf1bd664c37442d280837769653fcd4f45afea96c40ca569259d99318",
    "signature": "0x56f05da9bb2cc215dbf55f44417cfad23903716c602c7a4f9665b222e1faa846573dc7f565b83935b14e8da2b4791d899d4ec640dad0f4895ac83f6d0f611db31c",
    "signer": "0xBB00208e99a2bdf716AB90e9F3C2928A7E512c5d",
    "userId": "738363750"
  }
}