Extrinsic 40536-1

{
  "heartbeat": {
    "blockNumber": 40534,
    "sessionIndex": 675,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x4292733a4d547d74d3b623bf4ce3bc146cdf55db49a25ed20fe581580dd5c346a00bc42e12e60e496b1a13a2d24bbc195b46279e9d847a5b9c1eabf3b909e283"
}