Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAcL50TrFf6b2y1pIFm4d00VhB+WI+IZmhTQYHZ7PwVXS+rrsPAKzURB0s8… (844 chars)"
  }
}