{
  "manageEntity": {
    "action": "Create",
    "entityId": "497545260",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraousgbbmx5gqs5zzisi3nvzhl2bs5dqekdwsmqqtcapljxmvm5ipq\",\"data\":{\"handle\":\"xiaoningmeng\",\"name\":\"小柠檬\",\"wallet\":\"0x50434238cc2AF2F01B2BeA57f5D4A8B66480A710\"}}",
    "nonce": "0x05456b73842b34bdf5e54ed90b7f6146a751e08b452e162371191965222e3144",
    "signature": "0xea38a822e85f18e6427a5efb041eb34dabf8121f0a9c1f785f5ae3e1b04ff6a30ba8c6141673a47ae3d6478a77d5858d84c19862122eda7d87d81e6bfbf32edc1b",
    "signer": "0x50434238cc2AF2F01B2BeA57f5D4A8B66480A710",
    "userId": "497545260"
  }
}