How to invoke one integration from another. One master integration to invoke multiple integrations i

Summary

How to invoke one integration from another. One master integration to invoke multiple integrations in sequence

Content

Hi Experts,

I have a use case to invoke multiple integrations sequentially from a master integration. (All are in same ICS).

I tried to create REST connection with 'Submit Now Link' https://****-a4xx10.integration.us2.oraclecloud.com/icsapis/v2/integrations/****_IMPORT%7C01.00.0000/schedule/jobs

and tried to add this connection as invoke in another Integration , but its giving me '415 Unsupported Media Type' .

I tried to invoke from postman too, by giving the  Content-Type:application/json, but it returns 400 Bad request.