Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHfB11BcKdoLK0Om1n3F+7r+Z/BN3Uylnk1o8mWs13pshqd7LJvF4SnchZG… (844 chars)"
  }
}