Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGgzDrNgKBCM+v5+EGUWL+j0Hzcbwvy7daQJsvCCt+Pe2H0y5Q2cSdPUHj+… (844 chars)"
  }
}