Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD/FSFtEyMHWlxBVfTzFnUvswMU/C0ShQ6e/ULj1+nJcXe6b/V6lmKAF6DX… (1,748 chars)"
  }
}