{
  "manageEntity": {
    "action": "Create",
    "entityId": "207402712",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera4fmtacqxca5jyummvyqpvsd3nt3tp7ajzswofljodkv6wzfsuuzq\",\"data\":{\"handle\":\"chengli\",\"name\":\"chspace\",\"wallet\":\"0x22de99f800550c2aE3241B7Ea731a2b71d4E3825\"}}",
    "nonce": "0x89e2aafcf0de368e21e4e326281207bcaadba6425eca003b9d0c33dd1dd7a713",
    "signature": "0xe980b3d58513208f02ba273286b8b84c1d4745e4d58454220f6e6d3514aa995f322991f79c80583d9c0ece5473c32310ae6652a457280af9b0d87ae49ff20ade1c",
    "signer": "0x22de99f800550c2aE3241B7Ea731a2b71d4E3825",
    "userId": "207402712"
  }
}