Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC2bPKaxkpjQEL8/SQVmFwZGyILK2GmPpbxs6wWxeKwvVmyHWBmS72LXti/… (844 chars)"
  }
}