Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHwiIv/iEIW3Qc90QkyMWrn5OpWzT/oyzB3HtXNGP0Wnm6mJACGOx4z3/A5… (844 chars)"
  }
}