Extrinsic 37967-1

{
  "heartbeat": {
    "blockNumber": 37965,
    "sessionIndex": 632,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x5aa5e7ce205493d448d1e1b9915fb0227d6b037af090f3080400c444d74661769cb511023a2293e78bbd1ea3c6fda45f95699dc3b7b82b324d9847b5a8039b8e"
}