Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwA2U/nFLsFRHJTpn2PmUj02qX+S2du5RSNJAg8c/A7uKxoqyUWKNUJ2SPxl… (844 chars)"
  }
}