Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDwPOiSzD/a3Q+wtKyJwKwFftVV1Kpd4LI3egn7/uJU7wcuHKa6NBB8NkCw… (844 chars)"
  }
}