Extrinsic 396756-1

{
  "heartbeat": {
    "blockNumber": 396755,
    "sessionIndex": 6612,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xb84290eac6096244e0cf3c1c75f9e58d68b3fa852078735b3f35d636398fef633929c425c29de6a7ddbb91073edb52ba247ba47934c39e792071b734521aef84"
}