Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB8dbmLkq53gYVPWanST/2u+Q8FjTHC6SdDrw3FH6Yll1wBX8FKgMGHpuNq… (844 chars)"
  }
}