Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHEDTBNJJzqVb6ZWlVeEwRX/FuvoS8L6+U+hJbVm1ZWAEzxvPpH4+n8nKis… (844 chars)"
  }
}