{
  "manageEntity": {
    "action": "Create",
    "entityId": "199018246",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":199018246,\"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": "0x4f3cebf5ee8488ea37bf4a135e4b6214c527b377ee90468fa2fdac74d94d0008",
    "signature": "0x4bc365d597b90fb75a915048086f17ac51f76f583c1f377f8bd741ecc844249075e8db9b734115340acae9f583daab6901a32954b11f8592c89240bf732fa4bc1c",
    "signer": "0x85add34718Ac3B027adAa9128849adb2B66ed3b8",
    "userId": "947561688"
  }
}