Extrinsic 40586-1

{
  "heartbeat": {
    "blockNumber": 40584,
    "sessionIndex": 676,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x768df2ff115871ff26743591bd2876a0426c630964b61d9d9b7d407c4995123dc02b3c28269c6b34dbdae41c2ff56d1d2d89321e67f6283558d4bf064db10e8d"
}