Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFJ+Uw4vhRon/AdVlvS8fCb3pB0romVD4zRgNYxLYxmpxFe0s8RWOd3abiH… (844 chars)"
  }
}