Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBHGlSR8bi9vLm+uAOAb1UzBtVAj/tOQ0a98w9ZhL+g70cRxyJnBL6g3//0… (844 chars)"
  }
}