Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBUCXOPfu1CGW2m1VDDvgwpA3O7P5xJWc1VXGP3puVNU2l41pCw+8xF3XiO… (844 chars)"
  }
}