{
  "manageEntity": {
    "action": "Update",
    "entityId": "785235111",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"(2026 생일) 내 안의 햇살 Playlist\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqseaqxz6aniwm2kywgxpcrjtur7abagltqn6yugyx4zyrldabmnaiwq\",\"release_date\":\"2026-10-24T09:56:43.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":0,\"metadata_timestamp\":1792835975,\"track_id\":645790590},{\"timestamp\":0,\"metadata_timestamp\":1792835981,\"track_id\":89814303},{\"timestamp\":0,\"metadata_timestamp\":1792835986,\"track_id\":704397609},{\"timestamp\":0,\"metadata_timestamp\":1792835991,\"track_id\":654910716},{\"timestamp\":0,\"metadata_timestamp\":1792836002,\"track_id\":1856425653},{\"timestamp\":0,\"metadata_timestamp\":1792836038,\"track_id\":2033974320}]}}",
    "nonce": "0x001359b2694352b0a3190a94818c75c7be8fcddbe04700cd62a9cc7e69e8ab81",
    "signature": "0x099d8ac5df4982897303957e69272f127634ba306403298e72a95abebfab9c7865993c266c45f89586e5e3550ee2565e22e528a8f602687ba85edf7605818b271c",
    "signer": "0x6B231EC2026efB1974A26e345776a40EA749145D",
    "userId": "990968091"
  }
}