Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwF3/vsSgou8UkrTDU3DQMSxGZ+Vp8c93TDq7aCgWTGfyDSq4VtqbgqY+G4c… (844 chars)"
  }
}