Extrinsic 14262-1

{
  "heartbeat": {
    "blockNumber": 14260,
    "sessionIndex": 237,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x2afaefc9dd6cb5ab990080e9efc1e8dd723772473fb1f8c8548061df8bf5d962a068bfed648c6fe6926923f6717fe7b489bbadffa0245971d5059db2b293a382"
}