Extrinsic 71728-1

{
  "heartbeat": {
    "blockNumber": 71727,
    "sessionIndex": 1195,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xec54e4f290d01611f92c3b9d8db27ede332089f0849d41fedf99b32118a163423d0565c5223f28191bfdfef7ee7bb1dc93b4136fc3f2ce2ee3f184c6a1db5e8b"
}