Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF+gALKjxTc9xeZbY9m/NNzn+3La6dhRuUHDo23bBPfijT1V5bqkUYZa2Lc… (844 chars)"
  }
}