Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGEKbWDIoOlw1C2C5WF/3L18ASq2sRIFQ5drcOo8m7UV2qVXWFgxn0y2yBk… (844 chars)"
  }
}