Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDGr9YpA6j/Iu66wVehDLILEmDlJDg3e6bh7r39c1DmREqY8whWaT+8CrMQ… (844 chars)"
  }
}