Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDQlBbsroH1XTWUS4nA8saxR4/m4MV7g1UB3tSF8KPDMmkA6M9XyrQy2X1L… (844 chars)"
  }
}