{
  "manageEntity": {
    "action": "Create",
    "entityId": "395928057",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":395928057,\"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": "0xad1be6497fb5ca8f43b0eb4e5db8a44fd59f83342d6f72ad44256d43c64c5dc8",
    "signature": "0xc4488f518eaebaa669fb079a1dd8c5435687819cd39fe89f6ba2794da44f9ccf55233fb132d5267cde6ca9004586859737e9e922ff93e0dc8c6e0972cc8fce551c",
    "signer": "0xd23f8E07570E61600393d209664bE2Fa4236E17D",
    "userId": "876476535"
  }
}