Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE/q1D6wsGV2p7QY8xA9z3quqOVxvEjIzjoEu4wKBKolB0Wbo3yyMuqH1EB… (844 chars)"
  }
}