Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBVmTkj+1AYxe3Tf6KrATawQtXKMoq6kwx0/5ZYq0pA60u4giP5sXXGtu8u… (1,748 chars)"
  }
}