{
  "manageEntity": {
    "action": "Create",
    "entityId": "123902039",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":123902039,\"description\":\"\",\"playlist_name\":\"Ripples\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1793240925,\"metadata_timestamp\":1793240925,\"track_id\":1772397512}]}}",
    "nonce": "0x283591949fa814e1ee4ef8ec8a6cd1ed82768dab6aab75fb798ed536b259653a",
    "signature": "0x5cc5b255ef011f411a70a5db3343c834819bc53f7595776866b102382997bf2e03df392d7b3a1e1ce1651ed015a72a48975ec2f3236bb8d7cd64f6dd0a912f0e1c",
    "signer": "0xa89DAa8032B9d7aF9745f56780a063830177dD25",
    "userId": "395950586"
  }
}