Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEiV/6z5yggFelOP/f4P209r2iS1Uq2+1kWIjn3aWMuKkDUTjPiVdBIy9SG… (844 chars)"
  }
}