ParentSpanId not working

[gmspgua]

I have a ecosystem Api Gateway -> Nginx -> Microservice,

I want the SPAN created in NGINX be child of Span Apigee.

When i send the headers below,

my nginx.conf

The Spans are in the same TraceId, but they arent in a relation Parent and Child, they were as spans separate.

I ever tried to use openresty with lua, but have the same result.