Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBHtq5PubnPCrudtGNOIuCFdmWI53A/+l0e79J5vVM7tzN+9H6XCB8FYKUB… (1,748 chars)"
  }
}