Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA1dEruGNyWlGX24t/HKCIWsUzDOOULNWbV3rhhxN6zSXCzWe+6H2/PVg1b… (844 chars)"
  }
}