Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwJ3/PvINxb24KpkKAI8McxgdZhAT3FGdS+o+SRInDXnDDXfQ5jIo+ApIbzY… (844 chars)"
  }
}