{
  "manageEntity": {
    "action": "Create",
    "entityId": "1848865342",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1848865342,\"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": "0x87f8e02c570a667ba8940f463e7d21ba22c139bbfbbe28a0f874a8dfa533b8e0",
    "signature": "0xe2148d82fc14c2edfffdb3cbe72ee11d9cc000e4e64195812f02aa162b3226d07af0f0616214e7c4029400998fdd32495d55f0d2ed7209f2340fde98dcc87a8c1b",
    "signer": "0xfb70543D59F8614d11B4D2922bdb1b80Eec0a0dc",
    "userId": "133478614"
  }
}