Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAOnkEJkdW4BkI/aQBBJWrCmsfvjmOem0JWjXoS6km7FkSWnkz8ZzOlWTHC… (844 chars)"
  }
}