Extrinsic 10520-1

{
  "heartbeat": {
    "blockNumber": 10519,
    "sessionIndex": 175,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xd2e4d5b48471dfb573e81296d756b479207301be7d9770ec94ccfded204a421b78b2d15fd7e2437e2611786109e9176d2ff63b00dc091b05ff7a92bff3ecca82"
}