Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH+pGvXX0atoFLbmMafbF0qUPZjd6wANEK9hH87S1Wy9DIOyBCFSPfFzB5U… (844 chars)"
  }
}