Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAcHZK/Iq+CZ1CiZUJAERmBqxHRHww5AegE43VAPoy8CjhNqVNXiMl5aGS1… (844 chars)"
  }
}