Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGG63/1uCLGnNm/k4FojmSlmOu8MFw6exMYqTsIP+Iu9G8Pb/OwdxoMDGEp… (844 chars)"
  }
}