{
  "manageEntity": {
    "action": "Create",
    "entityId": "50931540",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":50931540,\"description\":\"\",\"playlist_name\":\"My audis Playlist\",\"is_private\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0xd943ba7357f5e6a6e2904bd5caba1f8a63d9350607633c7062f553d1a8e72fa4",
    "signature": "0xaa2dce616a44b00afd38a57a2030efe79bc605c1f1c82e7bfcc9044a31295a8b4d701397f4c81d1b7e1e8c779bd069e4bdfaa49194904dfbaa12dae815f93eb71b",
    "signer": "0x9c91068943495A5121bB90345fEDED3BEa44Baa7",
    "userId": "550747401"
  }
}