Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFhGbT4sUGUjZzdMs8YG+JzKhaeCOKgVzWv/hkPAZ+QLXb9p8z4rnTRHMFN… (844 chars)"
  }
}