{
  "manageEntity": {
    "action": "Update",
    "entityId": "551903387",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieravhnwhsgd7ggu4u4tsliptgtsmhzbeokw2cidkafhlpa7lv427yua\",\"data\":{\"name\":\"暴天\",\"handle\":\"BaoTian\",\"location\":\"Kaohsiung\",\"events\":{},\"is_deactivated\":false,\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0b017a4a1721c791a5f42bb72153e637e82808c27abaf2dc5a725807403ae566",
    "signature": "0x7bffb4372cf96b3c7138977248f33fab368ba1a1e71c54eef0630eec9ccbd1be6c857d625ec8819ac86209309f69646a8edc5d211f8d674f1d8135f84a03d67c1b",
    "signer": "0x2844C82020Ab80Aaa1a405d0eFf19e41694978Ec",
    "userId": "551903387"
  }
}