Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGXOjhZ9vw+CFNJvv0Lzn/MsoSUx/UUZPf6iEXsgdlcLyCRvlsZJHabz4O8… (844 chars)"
  }
}