Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFjj9DCrJc+SG61SpfbwTYZQ6cnmbHxfJyNW1bEZ7y0nzJA0YvEy1YLJnTX… (844 chars)"
  }
}