curl --location -g --request POST '/v1/kyc/customers/{{customer_id}}/upgrade' \
--header 'Authorization: Bearer {{agentJwt}}' \
--header 'X-Device-Id: {{deviceId}}' \
--header 'X-Agent-Id: {{agentId}}' \
--header 'X-Request-Id: {{requestId}}' \
--header 'Idempotency-Key: {{idempotencyKey}}' \
--header 'Content-Type: application/json' \
--data-raw '{
"target_tier": "T2",
"poa": "s3://bill.pdf"
}'{
"case_id": "kyc_777",
"status": "pending_review"
}