Extrinsic 144159-2

{
  "heartbeat": {
    "blockNumber": 144158,
    "sessionIndex": 2402,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x8c1d7ee1e6140f738902a90be710e0baf881555c81f716492016b69146e8cf385d6f00b6bcb82f91832d3e12fb29b75a7f0d1cbefad50dca113edbfcbceb1b85"
}