Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGbp0Ht0FSnYvPtm6qVxv9eEg4NXA/PdWU1pdcaKvGBc0G0z6M5UG4lXBrK… (844 chars)"
  }
}