Authorization: Bearer ********************curl --location --request POST 'https://connect.dispatchable.com/dispatches/api/v1/loads//signatures' \
--header 'Accept: application/json' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
"stage": "pickup",
"role": "driver",
"full_name": "John Martinez",
"signed_at": "2026-01-29T01:45:00Z",
"signed_method": "in_person",
"agreement_accepted": true
}'{}