Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB31Em+qeM4Sl9Rmh0t/Mj1Hih2r5k8bEd/0bBLg+c4OFr8yH3Qsk22Euxf… (844 chars)"
  }
}