Extrinsic 152983-1

{
  "heartbeat": {
    "blockNumber": 152982,
    "sessionIndex": 2549,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x701fb169d71b600223d620636e7661d143985f14d7db54fa84643d5aad5af953563c54564d80fb0c061931766936ae283c7d93b6dbdea52ebbb3ce393045ca8a"
}