Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE1Vna2ZftUVtXW7dTWuGzG7ZFUAfZTfh5fDgsqEW1K3DK5Ncjpprkp22Gu… (844 chars)"
  }
}