1 [dist4]message_header // num_bytes
7 [dist4]method8_params // num_bytes
9 [dist8]param0_ptr // param0
13 [dist4]array_param // num_bytes
15 [u8]0 // A null pointer, which is okay.
16 [dist8]nested_array_ptr
17 [u8]0 // A null pointer, which is okay.
20 [anchr]nested_array_ptr
21 [dist4]nested_array // num_bytes
24 [u8]0 // An unexpected null pointer.
28 [dist4]string // num_bytes