Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC7z+Zn9JutBzplkP4fPrh2p4+A3Q+WjDp9y00KXbp3XT2no7FohEgkO6fF… (844 chars)"
  }
}