{
"invitationId": "string"
}curl --location --request PUT 'https://www.amazon.com/ap/oa/user-invitations/redeem' \
--header 'Amazon-Advertising-API-ClientId;' \
--header 'Content-Type: application/vnd.RedeemUserInvitation.v1+json' \
--data '{
"invitationId": "string"
}'