fmgp.did.comm.protocol.trustping2

{
"type": "https://didcomm.org/trust-ping/2.0/ping",
"id": "518be002-de8e-456e-b3d5-8fe472477a86",
"from": "did:example:123456",
"body": {"response_requested": true}
}

{
"type": "https://didcomm.org/trust-ping/2.0/ping-response",
"id": "e002518b-456e-b3d5-de8e-7a86fe472847",
"thid": "518be002-de8e-456e-b3d5-8fe472477a86"
}