Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCNHDsE/8uwpJ59g3ZQcQj/ynxwZQ2hizSRdmregiXHkw3QG2ub7tjgm5Xd… (1,748 chars)"
  }
}