Extrinsic 52755-1

{
  "heartbeat": {
    "blockNumber": 52754,
    "sessionIndex": 879,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xdac445c719b19bbb3dbd0d67524f8b1daeff5b44958896ce2c8f8e4f1aa53c0cde437e1d0e7d40ba8eb9ac51d4dba68b11a09afa9a838b5814626f723c26f987"
}