Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAv7hUfAK1vRmIBpkSPgEVLZJGnY+l2bmxs46tmvFTEEgqiZk7VQmwHd4gQ… (844 chars)"
  }
}