Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFNaTwPUqAAI9cOau11hq5bLOBHTkq+r1Ry6ow8SHnj3kwBX5Sq9Igw3hNl… (844 chars)"
  }
}