ii: two 32bit signed integers

tn: a 64bit unsigned integer, and a 16bit signed integer

ssiib: two strings, two integers and a byte

ad: an array of doubles (each array has one type following to determine the child's type)

a{sv}: an array containing dictionary entries with a string key, and a variant value

a(iiss): an array containing a struct with two integers and two strings

aai: an array of arrays containing integers