Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA1jR/EpLpzeNUn2CuA8b70Jn19mc2kKjCscGYOnjTqH1DZIAbGerX21Yx2… (1,748 chars)"
  }
}