Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG/QgFNunDcpU0ZbfQ/lU3a0/4D5r61xJ0XdlNg36bxNW+GZRP3kVaT6SGg… (844 chars)"
  }
}