Google API Console for swimming-bot

• https://console.developers.google.com/apis/api/chat.googleapis.com/
• https://console.cloud.google.com/cloudpubsub/topic/

Service Account

• https://developers.google.com/hangouts/chat/how-tos/service-accounts

;; Credentials>Credentials>Create credentials>Service account key
;; Service account name
;; swimming-bot
;; Role  no select
;; keytype json
;; create without role

Pub/Sub Publisher's email

• chat-api-push@system.gserviceaccount.com