{
  "manageEntity": {
    "action": "Create",
    "entityId": "1098403830",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1098403830,\"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": "0x8c247302f62b3479a32c8a29973285619725f148b8d5516d0478410951c5f5c6",
    "signature": "0x9b1f7e6f40289691229fcb1e8f7c25c5cd2410bfee30a53ec4611eb17c9f8ccb50a07ca5a4098159074817f12b47c35ad6a2aaec48e6d56646f19a9af08eaf791c",
    "signer": "0x4500303E05fBbcF978dbd09d73Dc6e8084A6f1b0",
    "userId": "834909005"
  }
}