{
  "manageEntity": {
    "action": "Create",
    "entityId": "51407585",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":51407585,\"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": "0xf4e48866e19c4b7f54ce549162bafd824fa4ba9ed533d1e86607eae10adc8838",
    "signature": "0xacfb3a83630b6ea2817ca7cedcd479c78aae1d4aa00ee90e93ebbea055e326085fdf2423483e243c5224e738cfcd58ab8dbd1edf14e32531d4926a48d4f5ed781b",
    "signer": "0xD5547441bA418c20c09A4ee1D3e89F889DBE06f2",
    "userId": "420081811"
  }
}