Extrinsic 53620-1

{
  "heartbeat": {
    "blockNumber": 53619,
    "sessionIndex": 893,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xbe51db3f097f5213db3698c094cf51cc1531e7dfc10c8b65aacd2d04ccb9c7747790a47b97e4ea713d9523e250dfff92a3c96c24aa244180dec1d294305c6c84"
}