{
  "manageEntity": {
    "action": "Update",
    "entityId": "937981272",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierapqpqmxthas36yzazxwhkrvnvbavb65q2w6gfya6ki6pdrjgkyigq\",\"data\":{\"name\":\"빨간오리\",\"handle\":\"redduck1818\",\"location\":\"Seodaemun-gu\",\"events\":{},\"is_deactivated\":false,\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4fdbda5b07a4e257c91547d10ac8401d84fd7b8aef904328821b6f66806d39f3",
    "signature": "0xa462ff4ce9958a2a80648f626148abf8b4b487294d2a7461c2e5bb60d1777177251fcd914ce2c37c6a190bfcc9dbab96f98b88bd9b501018fa1937fb5ec18dca1b",
    "signer": "0x48c4Dd5236C687c2d3AE6E56BD32006e158dC6af",
    "userId": "937981272"
  }
}