Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBJLJwZNoH4+I86ZEE7bZHm6/Bw+Nvg/dx9c2B2oMMwjVm985t5aE1Bn2Id… (1,748 chars)"
  }
}