{
  "manageEntity": {
    "action": "Create",
    "entityId": "1329533323",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1329533323,\"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": "0x78ecf2f0066bfe8074845cc8288401b5462ffd3fe25cd244af34a3f45cd53535",
    "signature": "0xd3b5ee97bf90d35a3c97e9c8a852d51e3f0f38c9df6352aa24da80be6ca2ac5918b7281b8093f64147bd683d413215029023e69c7884d716be6e0f03e0114a421b",
    "signer": "0xB37E6e788b6A39dCDcB53bf8D70077f76F5F5C26",
    "userId": "895209133"
  }
}