{
  "manageEntity": {
    "action": "Create",
    "entityId": "1881282410",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1881282410,\"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": "0x1ac176927c3bfec9e4a0676e20da8139dc49c725daa9e936d064e7576d57d701",
    "signature": "0x21fcc95c5f1a27fbc0020fae2e73f5be61cea173727af3bbb2b3228d99747aa34f3e0710f299b09ab1f907080fd6ed39f9ff202bae6f842d73f158550dc0b95a1c",
    "signer": "0xC728d461208f32A72c509e176ED6ba54c844099F",
    "userId": "176232909"
  }
}