:: JSON data can also be passed as a path to a .json file

oint slack SendEphemeralMessage ^
 --token "***" ^
 --channel "C06UFNUTKUL" ^
 --text "Ephemeral message" ^
 --user "U06UABH3APP" ^
 --blocks "{'type':'image','image_url':'https://github.com/Bayselonarrend/OpenIntegrations/raw/main/service/test_data/picture.jpg','alt_text':'Image'}"