Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwC+M5yoJN4Tp9nAhKR/0JL31yxjCj23DmYWXppzEZlO8R4tDVNbq6PEu/6b… (844 chars)"
  }
}