Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFPaYpaFLWAU6HVTFa+ncUXJhoCfCNZpZUNbc4Wxj7E8SEGY0vI/JD6lF4H… (844 chars)"
  }
}