Extrinsic 24869-1

{
  "heartbeat": {
    "blockNumber": 24868,
    "sessionIndex": 414,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xd4b0c13092b85a746e765234d532285277b333a4fa239e83c7fdc0ac36df217400019c2837c90a6da4596066a4938cd166ab6a5e3a38ff8235e4b72a1b5ac283"
}