Extrinsic 24569-1

{
  "heartbeat": {
    "blockNumber": 24567,
    "sessionIndex": 409,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xf29de0bf81699cfb5fbe767e61734e14afb1c30d8d6502dcc0ba457d0b173c3fd49220dfc9314be1ecbe4f382b1e14dd9917afc3370a4fbd3d70e5bdc3daff85"
}