Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDrk+eipbq9r3s2HWanTrwBXifzqMBvp7fVp7Otqw52bGCig8EbmN4/OWo+… (844 chars)"
  }
}