Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE2Gv5XxvKSuqYrebl5fG0voMNIFgNEQ6h1wJ/jI4mcaQ+yvfEAm5Dv55Xm… (844 chars)"
  }
}