Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB2yzd8tMMg0v+bRb7B0jlylZl0G2GUEiq8viX3GKDEL08/z6vHVwwJvuFu… (844 chars)"
  }
}