SERDE <-> Sv2
bool <-> BOOL
u8 <-> U8
u16 <-> U16
U24 <-> U24
u32 <-> u32
f32 <-> f32 // not in the spec but used
u64 <-> u64 // not in the spec but used
U256 <-> U256
Str0255 <-> STRO_255
Signature<-> SIGNATURE
B032 <-> B0_32 // not in the spec but used
B0255 <-> B0_255
B064K <-> B0_64K
B016M <-> B0_16M
[u8] <-> BYTES
Pubkey <-> PUBKEY
Seq0255 <-> SEQ0_255[T]
Seq064K <-> SEQ0_64K[T]