Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwADKnITF9r35h+riPTzST8I0KKBhQY/NB+Jlrgi1ubBnhWhwdiVLqK+x6WG… (844 chars)"
  }
}