Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD/aEjTABcSoAUUq8dpT4uu8v+VwgVjR40cXOUBI+sNuBJU6NbqO3KN1Fpg… (844 chars)"
  }
}