Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHjnO7A3zWUQ1iZOFg92NrxZOzVAcOX2eKNnpMm5UCtJy+CwfUboRdtE1pZ… (844 chars)"
  }
}