LAMBDA SAMPLE INPUT:
{
  "body" : "token=<REPLACE_WITH_SLACK_TOKEN>&team_id=T1FEY2U01&team_domain=smylee&channel_id=C1G3DDP8U&channel_name=github-alerts&user_id=U1FESKQQP&user_name=pattyr&command=%2Fgithub&text=open+<REPLACE WITH REPO NAME>+<REPLACE WITH PULL REQUEST NUMBER>&response_url=https%3A%2F%2Fhooks.slack.com%2Fcommands%2FT1FEY2U01%2F50171660113%2FkEfBJNrTcgtZOIfUoLbXIJlW"
}


API SAMPLE INPUT:
token=<REPLACE_WITH_SLACK_TOKEN>&team_id=T1FEY2U01&team_domain=smylee&channel_id=C1G3DDP8U&channel_name=github-alerts&user_id=U1FESKQQP&user_name=pattyr&command=%2Fgithub&text=open+<REPLACE WITH REPO NAME>+<REPLACE WITH PULL REQUEST NUMBER>&response_url=https%3A%2F%2Fhooks.slack.com%2Fcommands%2FT1FEY2U01%2F50171660113%2FkEfBJNrTcgtZOIfUoLbXIJlW