Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGaCgoZFJmBpuhluxKW4c9k6Yjrkc+1EXJtSGm8SK3vUCoHh5JtO6ZDm5Uw… (844 chars)"
  }
}