{
  "manageEntity": {
    "action": "Create",
    "entityId": "970572779",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":970572779,\"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": "0x87e8bdb427e58c48b47f313801f87011e5e6bed936b27f166f5167b100ea4e7f",
    "signature": "0xd37a26293b9ce39c2b3017ebf7e162f83952abd59877c1c45428a980d7a6fb490f929829f4a93f9d6d944313e6b532319eabde7d019a8bee1563afe3f4deb4971b",
    "signer": "0xc1C84e5C06F7dc5824672906AC6E51CDfeb90aeA",
    "userId": "447798047"
  }
}