Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE7CRpsLrkGLcRlcJI1v46XyIXGtgb6qZHt2Zv0gH1orVB+NJoAtwDMM7zY… (844 chars)"
  }
}