Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAWGy5ryCnXBDcXTXtxeZ6FSyvMSx1CVrjB20y+X0sRcikHmRD2fZKKNKyv… (1,748 chars)"
  }
}