Add missing request body examples for 15 operations [AAWF-1196] #17601

Job	Run time
examples / examples	2m 39s
pre-commit / pre-commit	1m 7s
test / test (2.7, ubuntu-latest)	1m 28s
test / test (3.2, ubuntu-latest)	1m 10s
test / test (jruby-9.4.12.0, ubuntu-latest)	3m 19s
report	8s
	9m 51s

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