Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQFFZ4dtAa6vUGcJeuhCJn1hjMqwBx+zaJ3bfxHt4FcfMndpVg9BpqfszUka… (1,748 chars)"
  }
}