curl --location --request PUT 'https://demo.preprod.crego.ai/flow/api/contacts//relations//' \
--header 'Authorization: Basic <encoded-value>' \
--header 'Content-Type: application/json' \
--data-raw '{
"id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",
"contact": "ad596931-5d7c-4d2b-907e-5b64c9432eb4",
"related_contact": "f6da84cc-a01d-47c9-a9f8-91d15126940b",
"relation_type": "string",
"nature": "professional",
"tags": [
"string"
],
"refs": {},
"created_at": "2019-08-24T14:15:22.123Z",
"updated_at": "2019-08-24T14:15:22.123Z"
}'