Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGFZrkGJ74k8Y+M7SeGSO7HUCBdqMW3aG3BXI/OeIl+L1MTohrFg1xHy1Ww… (844 chars)"
  }
}