Extrinsic 13099-1

{
  "heartbeat": {
    "blockNumber": 13098,
    "sessionIndex": 218,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x102438e8eefc05ee834969a8be9d5d9366cd0c3b8391183b0b6e889220b74533d6a2383e79e3924d57efb0b85a321291fc3f727268988b668b0d9899ac712a82"
}