Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE2kOFnQN/Bvcl0m+g0T6MT0nb3E8jWm3d0eWoCPvFYg3IeJTFYGcbeZTdM… (844 chars)"
  }
}