Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHgkFA/OZPFNZ7NkD5VrMLa5y+K7ZezX3gNSA3j+1lTF29Bzdw1oVIp2MD2… (844 chars)"
  }
}