Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCRaXgRBvLthY739fh72+VVZSqFdb7QFrDSdHZjFE/nXHi1p9yd8H3oiWWw… (844 chars)"
  }
}