Constant PROOF_OF_POSSESSION_SERIALIZED_SIZE
pub const PROOF_OF_POSSESSION_SERIALIZED_SIZE: usize = _; // 224usizeExpand description
Signature serialized size (for back cert) + Nugget BLS PoP size
pub const PROOF_OF_POSSESSION_SERIALIZED_SIZE: usize = _; // 224usizeSignature serialized size (for back cert) + Nugget BLS PoP size