Extrinsic 71470-1

{
  "heartbeat": {
    "blockNumber": 71469,
    "sessionIndex": 1191,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x4cc379effd2f3fbef781188af9453a9ff81d51a5829e104aeb7e9e6660ab9c5432eabaa968f6a20c3c3510990f5069ae8f46e8eee7c593dd62926dac07cc5a8f"
}