Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHXz2QJ2LRfzfzfIa3kmnD/C2mlNWOZhBXzRBd7X+hdGXn+qpisPFHsVBIj… (844 chars)"
  }
}