Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBAv0gCBiSfS1nfNNAtgKVAMx6QXxide/RjWZ9tDxWxNTg3HhmlFRq5xGsE… (844 chars)"
  }
}