Extrinsic 11868-1

{
  "heartbeat": {
    "blockNumber": 11866,
    "sessionIndex": 197,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xe63c0f8597e7601dbce3b9bb33f60344f0373a4e85a0c21a3e263fee2ca36621dca4e0c373aed410c795f14ad10181594fb5b739ebae08d4f11cb18f27672a85"
}