Example typeTag Values:

typeTag | Meaning | Expected Payload
0x01 | i1 (1-bit int) | None
0x02		i32 (32-bit int)		None
0x03		i64 (64-bit int)		None
0x04		tensor		elementTypeIndex + rank + dimensions[]
0x10		Function		Extended function signature
…		Future types		Depends on the type