Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC/nlgFk1YjLjAT7BNI24vvlm9kBfo9S0VUYJneAA5J+2GLmE4b5dK8XS/M… (844 chars)"
  }
}