Extrinsic 72025-1

{
  "heartbeat": {
    "blockNumber": 72024,
    "sessionIndex": 1200,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xc4137dccba6fb4340d9440499cb656ee705ca611c1cf2c5f19646919170b576c28be91d17da906e2f4e40ffa2099e816d88edc45b399d45a32e521809b32238c"
}