{
  "manageEntity": {
    "action": "Create",
    "entityId": "1783833748",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1783833748,\"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": "0xabc022d23d62191259081b0d3d9858f653afd0bf8fb7f83c9fe0781109a018bc",
    "signature": "0xf849bd24f33a1ff74c2983ca2741b769f855f9c47e4cd84f55ee1b1aeca5640c2f456f565b33bb67ab4f6cea805b1b0b51a4ea188c14172715fc6eba0977c8a81c",
    "signer": "0x0d081C24727E74a99B439Cfc2524846C07e0f8bD",
    "userId": "426932116"
  }
}