Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBK7qX/B6EQ/ddRE1w1pKG5qKWTHqcJe0J3JZipBTLoIFvHT42glKKx2lQZ… (844 chars)"
  }
}