Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGDXLEQNik0pRq/IUOQ7QSre1V0lHSoQ755Rx/0VpBfsGgDI6Zuvem1ZSAi… (844 chars)"
  }
}