{
  "manageEntity": {
    "action": "Create",
    "entityId": "646366193",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":646366193,\"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": "0xc1abba0c9562961eb1e226101a667be4504c5b29dc9e2112ccac2cd1db718996",
    "signature": "0xbecec6e41185674876ece91a1d545a6a257b30a2e1e0c3e2c464d605343bdee44a0228796679af29d716796fef94343edb12f8cc85658859585fa91650b381021b",
    "signer": "0xCC0d2E17031Bb2a4822bc4c54ABE3a667ef3D494",
    "userId": "583264378"
  }
}