Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFgI95FdUURFp7rrEy3DGXbvC5g5vTmIkIXMvMC+vLs7HHrVNqYtjvrdvFo… (844 chars)"
  }
}