{
  "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\":1779998638,\"track_id\":317883334}]}}",
    "nonce": "0x73739a4af44b6a4a0004dc72a9e868ae5558690f778ff45396bc88f13c6c286f",
    "signature": "0x16ffbf7c0bb960fc00674085a84f69fff205cec9aecc3b382608b0ef6fcffd39565e026196113b3694ee3b4b234877ab71727f524897b31303d93450bc70c00e1c",
    "signer": "0x7a0Cc6B11985E9A7A2E4D3dfC59bd51b8Ef3Ed03",
    "userId": "521349872"
  }
}