Extrinsic 49908-1

{
  "heartbeat": {
    "blockNumber": 49907,
    "sessionIndex": 831,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x04c3e7ab551e90495d18d979c9b41aa210e1562326a317590881514e9f4c25428529542ea7f031aadb6d58b451fca9b581cac48e243b2ba9e12fca36914d3f88"
}