curl --location --globoff 'http://geo.{region}.amazonaws.com/tracking/v0/trackers//devices//list-positions' \
--header 'Content-Type: application/json' \
--data '{
"EndTimeExclusive": "2019-08-24T14:15:22.123Z",
"NextToken": "string",
"StartTimeInclusive": "2019-08-24T14:15:22.123Z"
}'{
"DevicePositions": [],
"NextToken": "string"
}