Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDwu039eUW3pw4FU9CVZDGwgyUJPB1Kh70E09TN3cCAmDs/8gZr2JKCM5Qk… (1,748 chars)"
  }
}