Function verify_lan_jekt_v2 

pub fn verify_lan_jekt_v2(
    public_key: &[u8],
    msgid: &str,
    source_agent: &str,
    source_uid: &str,
    target_agent: &str,
    ts_secs: i64,
    message: &str,
    sig_b64: &str,
) -> bool

Verify a LAN v2 signature against the UID key the answering peer gave. false, never a panic, for anything malformed.