{
  "manageEntity": {
    "action": "Update",
    "entityId": "1044618871",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsebaj6hi7leyhc5mhbmvpr2kafzurn3n3s4cxwqydxhxiffdwcusn2\",\"release_date\":\"2026-05-19T15:42:33.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":true,\"playlist_contents\":[{\"timestamp\":0,\"metadata_timestamp\":1779999205,\"track_id\":1316990443}]}}",
    "nonce": "0x21b63eb18906c2cb5684394b28ef0ffb44c3d4f82cd012d93617e38ad3a73271",
    "signature": "0xd2c1d29c1e3dcbe3a4324170cf06bea57e5233e1219f7ee896dfd3db0eaddc5e0f918d74dc9eae8a62b43558e855beed0d64b8fa432255eb0a273053253cf0a11c",
    "signer": "0x7a0Cc6B11985E9A7A2E4D3dfC59bd51b8Ef3Ed03",
    "userId": "521349872"
  }
}