Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGNSGrklWPxQYYVGo9XCBA/p4+PRbX7dLCU46/2MiN/vEMNDRvzrmY8r5a6… (844 chars)"
  }
}