Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEPJ3rkKcYGPK/IyCvCMqQdjHYSpp5+SWFafI+Koc8Cj2r+zqg8HBE4LlSV… (844 chars)"
  }
}