Extrinsic 52486-1

{
  "heartbeat": {
    "blockNumber": 52485,
    "sessionIndex": 874,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xf446e5d920a4a0ab97dba30d73d8e69f558994d8421db2b0484f0225f91c83106c6f3f62d655bfd52a4e8c2d791c65a683f740d3ad9177317590187829945784"
}