Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGFjYvVicRz9e6AgYmGz3NIs+VBSRnXV6PL69b8oq3gnxME6EMTG8nTmyB6… (844 chars)"
  }
}