Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFi5BHZEKW5RlEzT4MDv6UnxwNc0gHrCo+YS5D9O1Nq7ie8eRhw4Ut38YMz… (844 chars)"
  }
}