Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH15Q0Z+k1Vf3y8nE3WNTLPkVPLr8cP6/TF37o2AhI8xhoo2mHJDvUMbsX7… (844 chars)"
  }
}