Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCiaPOUO4hNyP/Xa3VrQCgPIrFEYwDjKkHtYJcaL3sxrwtU0pdg9NFwhc6j… (1,748 chars)"
  }
}