Extrinsic 52535-1

{
  "heartbeat": {
    "blockNumber": 52534,
    "sessionIndex": 875,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x82bef4c436bf4fbee1471c31556c2e34269acfd521fbdd9cecd01a488d1b687e089844457c3908f2ee6add02675c476645f4c0b962443768e64ffdec597c3486"
}