Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDtazJFWMYsx/MTKbWNynLUii8tHdpk2gfpQd1EWgT6HU5HxsqiEUbCVH1x… (844 chars)"
  }
}