Extrinsic 56478-1

{
  "heartbeat": {
    "blockNumber": 56477,
    "sessionIndex": 941,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xfc9122bb0e30776bf8604c60a2c6d42255d83e081644a6e52acc09389dd7dd6dd40624b362530b9dfecf7c095ecbb8a64952dc8314f303377d2cdc3ca4034685"
}