Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEzavg0xw12Bf9WS/eqkrzvvjOMOPKgDne2t3o5Kd4SyFW2A7JHWgNY5rtG… (844 chars)"
  }
}