curl --location --request POST 'https://tunnelsats.com/api/public/v1/subscription/renew' \
--header 'Content-Type: application/json' \
--data-raw '{
"serverId": "string",
"duration": 1,
"wgPublicKey": "string"
}'{
"invoice": "string",
"paymentHash": "string",
"oldExpiry": "2019-08-24T14:15:22.123Z",
"newExpiry": "2019-08-24T14:15:22.123Z",
"renewalId": "e2cbc7f4-c068-49bf-a8e9-138e35eb44b7"
}