Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCv3h1OAEDSf+H+1bv8k0TUwPQItSLQLDCnXIlPdH9Pzjkc/kvU8GVukM3/… (844 chars)"
  }
}