{
  "manageEntity": {
    "action": "Create",
    "entityId": "740347920",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":740347920,\"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": "0x004e922632c25a8f9209210487b2ba64e83c19becb734d7678a36d81c180fed3",
    "signature": "0x23be9a067fe68113ce361481b20f0e0889424bd0ceb3b5b0a5cf59a65d6a268f3e57f55c2b28767609318988996f6cc3ac3d7feb3c5e811257a14e561b3db9411c",
    "signer": "0xc1C84e5C06F7dc5824672906AC6E51CDfeb90aeA",
    "userId": "447798047"
  }
}