Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCiR255WONMcGgXi4qTDjEIV5x3aHdJfj3+E94Hix0ckgW/hQ3w5VPEOyOM… (844 chars)"
  }
}