Extrinsic 23023-1

{
  "heartbeat": {
    "blockNumber": 23021,
    "sessionIndex": 383,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x0c5268c38c50a44a3eca67978295ae4dec0a47ca7d6687500134d0c406863a443ad7512aac3aa9702587327fb30d7866210d2b3e0b679239a890e9bc7cf9468b"
}