{
  "manageEntity": {
    "action": "Create",
    "entityId": "1159617572",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1159617572,\"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": "0x5e9ea68b170fb6da16b917ec72ae9c0da0c476ab375f2e3e24bb37eb23392b76",
    "signature": "0xb5ca567f9feb92b2257b57997283bd8037e9849286dd1374438080278e8fbbde6d2443a9cdf1b9878ad7d081c95f8ac417a80e00704737725bf7489132f8d5601c",
    "signer": "0xc686112A806bE009639e6Bb364e5d01bFe69C165",
    "userId": "161711667"
  }
}