Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwL0Zlz9nTe+nG6iqmVRLmFk0HxBOiMI7m4NqJRDfuyIugAcJmCsF5yem/SC… (844 chars)"
  }
}