Fixed json formatting
Fixed json formatting

gsuitedevs/hangouts-chat-samples,googleworkspace/hangouts-chat-samples,googleworkspace/hangouts-chat-samples,googleworkspace/hangouts-chat-samples,gsuitedevs/hangouts-chat-samples,googleworkspace/hangouts-chat-samples,gsuitedevs/hangouts-chat-samples,gsuitedevs/hangouts-chat-samples