Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGAlLD6X9FbJsClRTgdY7tegX1Jrwx8Xe/UvW6X4VGU4ixZC3IdqDUPAjGV… (844 chars)"
  }
}