{
  "manageEntity": {
    "action": "Update",
    "entityId": "757239268",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera46qthld7vtlieb66ouh4v2tzzrtev2w4drnlfkd5udfszftjueqa\",\"data\":{\"name\":\"見習い期間\",\"handle\":\"minaraikikan\",\"location\":\"Sakura\",\"events\":{},\"is_deactivated\":false,\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa92098244e76663d7b9b8c05c7ccc5d0e4bae5972558bf82e3fb36a10abdaca3",
    "signature": "0xd031dc6663f5637e5df6f02e9c97809e43cd4bf7e6f9f1c699560b961c4d9b7950adcb49e0e23001ef7360a4a48e3b26122c236e2287733f55efde1f8f995ee81c",
    "signer": "0x90F810aa7C6F2872852a480c02fAd7F6d048bcf6",
    "userId": "757239268"
  }
}