Thanks, read this.
But that article describes how to prepare RAW tx only with one multi-signature address.
How can I create RAW TX and sign it with a few addresses
multisigAddress1
multisigAddress2
Any examples ?
You don't sign with an address - I don't really know what you're trying to do.
Do you want to send to two multisigs? or redeem coin from two different multisigs in one transaction?