Extrinsic 24142-1

{
  "heartbeat": {
    "blockNumber": 24140,
    "sessionIndex": 402,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x8abb72a5d6c6e4918692b27665b139bba9d7eabe21426fdd3f64b41f8db61707261983b74c95e7ee54de881084a2f645a22c9ea752d00c9cff9fc2162fbcfb86"
}