Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwH2Z3HiIadSgN99mpYpr0xjU2g+j6y3+jLwC2OgvSiXcj6iO7RYZFYtRpg2… (844 chars)"
  }
}