Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC2r3iFdlyVLk899Oyi2+rX8yo0SAqOZ1ZtpU+SbR6Jb3LKWA0Qc+DR0HxH… (844 chars)"
  }
}