{
  "manageEntity": {
    "action": "Update",
    "entityId": "1562020446",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsecojzuac77n4o3oyvd7rngrbymvo3nvq3vwyoa6ofj63yzmrxxl7m\",\"release_date\":\"2026-05-31T07:57:01.000Z\",\"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\":1780348455,\"track_id\":1032278789},{\"timestamp\":0,\"metadata_timestamp\":1780348456,\"track_id\":1227675989}]}}",
    "nonce": "0xfd5bd41e281c862d87dd3144f3b65b2593b4763fc95f9a01b7d72f277d2d162f",
    "signature": "0xd62fbca873a8082d7e5ffddcbb6a0a94bca6e7a30586c4c72a6caafc8c03da8b042a515caad13ab6ce80028a1ac56c3060a0b49c39cfe681bd3aebb57f29b3e91b",
    "signer": "0x653E8A1211a113Faf517E089B75C948EC1ad9241",
    "userId": "292115993"
  }
}