Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHEN7OsENzxDmtTrHRq0VsKoN1X7fs4lSRu3e1MD9mTU2oPO6D6JnClEIhX… (844 chars)"
  }
}