core: Add submitting 'data' to MESHBLU
core: Add submitting 'data' to MESHBLU

This patch submits the JSON data created based on received KNOT data
received from KNOT nodes.

CESARBR/knot-service-source,CESARBR/knot-service-source,CESARBR/knot-service-source,CESARBR/knot-service-source,CESARBR/knot-service-source