Function process_private_note_msg
pub unconstrained fn process_private_note_msg<Env>(
contract_address: AztecAddress,
tx_hash: Field,
unique_note_hashes_in_tx: BoundedVec<Field, 64>,
first_nullifier_in_tx: Field,
recipient: AztecAddress,
compute_note_hash_and_nullifier: ComputeNoteHashAndNullifier<Env>,
msg_metadata: u64,
msg_content: BoundedVec<Field, 13>,
)