Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEoJrSbc43QdLiG/RVFyJz3x7lL1uQvHqk3Z1yfL+nYiz0URWG2j6XGEk4z… (844 chars)"
  }
}