Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD1bT/fWcZWI87iVWKP8eMrkEv4W6qC/8ZfwKvkmjMvjgmr1ixE/2OKeItb… (844 chars)"
  }
}