Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBkRLCVZz9IyGv5dhL1GzfPpLfYW1ddSx3zsP6X/y4+CxkV+GbTaT4Kn7Ax… (844 chars)"
  }
}