Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC6XhGzMjd2HMvfdY7pf2l6aWSU1t9KAU6qjSF2VNngklKDwBvHJ86XH5Z1… (844 chars)"
  }
}