Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCQtVmOcdrTYUUbsJi5Ks8gO1LmQRVXIF52m2VLG+Tewlc3bPBRtsL8fYEx… (844 chars)"
  }
}