Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBgmMFLEDTXYauSIZdz0aJcfA2nnV/i9uLpHtFxALj8rjRxQYDwPmSFs9Iy… (844 chars)"
  }
}