const response = await fetch('/partner-api/v2/program-memberships/{program_membership_id}/activies/synchronous', {
method: 'POST',
headers: {
"Content-Type": "multipart/form-data"
},
body: JSON.stringify({
"activity[transaction_timestamp]": 0,
"activity[value]": "text",
"activity[activity_type_id]": "text",
"idempotency_key": "text"
}),
});
const data = await response.json();