Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFssoIzOHem0s9NQrq2C91tMEKVBYr5DlZ7F3NQ8S4NFRR5p/nC9tnzZnKZ… (844 chars)"
  }
}