Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEFHtcB1oAGVU8saqrVNyt2W1pIDF6Mrv83Z8qbK3NGjn/hfFBN6Fj1hKhS… (844 chars)"
  }
}