Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFJlBKQ46yaOc7bn2BVzWNTQmSGQsD/nJ3aRqyORjqjJXQj0auUQwz2GD3z… (844 chars)"
  }
}