Extrinsic 24937-1

{
  "heartbeat": {
    "blockNumber": 24935,
    "sessionIndex": 415,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x4a306ad7c9cf7dc2325330a79091510b9981104cc9eb17182c3cc0d50a837a5051e4db42817a7433272fc6e4250cf9ed92c2a721b5bdb3867d62ef715bba7888"
}