Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwJNCV3fjFH8gMPtHjZYCK3X82zj9rzlpR8E0/SATUEBhw9jMXY5f0H1NXDA… (844 chars)"
  }
}