Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE6ww2CWUqPIcqaOLscJl3TTLsZCipjmg+F6kcFfU+vQALgCnUvjRcKSaBZ… (844 chars)"
  }
}