403. That’s an error.
Your client does not have permission to get URL /videoplayback?requiressl=yes&id=7d00bb6ebfa4545f&itag=22&source=picasa&cmo=secure_transport=yes&ip=0.0.0.0&ipbits=0&expire=1436582414&sparams=requiressl,id,itag,source,ip,ipbits,expire&signature=87960C44D7D4C08D6DBB71753
from this server. That’s all we know.