there is incomplete inforamtion regarding ,how to pass tx message in cli args for vault-transaction-create command
can u explain for this command
vault-transaction-create --keypair /path/to/keypair.json --multisig-pubkey <MULTISIG_PUBLIC_KEY> --vault-index 1 --transaction-message [1, 2, 3, 5, 5, 6, 7, 8]
How fo seralize & pass tx message correclty