Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFDCJaRgFlovDGpzWL9+g3obZEaK3nVHv8ViYEdhPR5ZXO0r1AnA/rHDJNb… (844 chars)"
  }
}