{
  "manageEntity": {
    "action": "Create",
    "entityId": "1779040834",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1779040834,\"description\":\"\",\"playlist_name\":\"New playlist\",\"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\":[]}}",
    "nonce": "0x631bab4f04306050e7e5c2bf12abe72b54e1e6cf9430591cc2d1e35270d2c05b",
    "signature": "0x3db2c292d1f3d21dac88aa9aa425d5a999fea8875a5ab630f2360cfe3f2be3dd384d217631716529dce7ca41462430544a660838d22875634f0b2d436ae541491c",
    "signer": "0x12Dd122e04eDA14fA483f2F178ea67E04fd312B9",
    "userId": "388523895"
  }
}