Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwER3R9/I8dHuuOjb0ICjbsQNaz8+W3KHTSJYLTgU9ODv3mQ5Uh+Yd+1/b5S… (844 chars)"
  }
}