Extrinsic 24462-1

{
  "heartbeat": {
    "blockNumber": 24460,
    "sessionIndex": 407,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x3aeb046d43c2c681174bedd99af1d74cd62b362f4f3ce22c19ad6796713ea57adcf2ae7e48a8ac4004aa88127864cd8f6213226b75c5eaf2edde3a1aa8d77c81"
}