Extrinsic 176073-1

{
  "heartbeat": {
    "blockNumber": 176071,
    "sessionIndex": 2934,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xbc0e67112fa1b1c9c40b6c6457d84851f198403f0f8e513b56525ff39859ff23a3c82b44806507b08c511050295db72dd12537c55c5435a7d454579b6555078c"
}