Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAaZRQM8VmAAChZ7yct6W+yklJ77N0kCbhTSjqYaFSq/QmhPaWeg2Zy1Jmp… (844 chars)"
  }
}