Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEq5MIcKUhHlDp5qtZo0LhwSHu6Wb1d2OmA+Hh6/TiW2RL1JTWfnRVkThtQ… (844 chars)"
  }
}