@Override
		public String getRepresentation() {
			String sigRep = Integer.toHexString(signatureIndex);
			CliBlob sigBlob = metadataStream.getBlobStream().getBlob(signatureIndex);
			try {
				CliAbstractSig sig;
				if (CliSigLocalVar.isLocalVarSig(sigBlob)) {
					sig = new CliSigLocalVar(sigBlob);
				}
				else if (CliSigField.isFieldSig(sigBlob)) {
					// UNDOCUMENTED FEATURE ALERT! Contrary to ISO standards Microsoft compilers
					// will sometimes put FieldSig references in this table.
					sig = new CliSigField(sigBlob);
				}
				else {
					sig = new CliSigStandAloneMethod(sigBlob);
				}
				sigRep = sig.getRepresentation();
			}
			catch (Exception e) {
			}
			return String.format("%s", sigRep);
		}
Describes the StandAloneSig table. Each row represents a signature that isn't referenced by any other Table.
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/pe/cli/tables/CliTableStandAloneSig.java