Extrinsic 64773-1

{
  "heartbeat": {
    "blockNumber": 64772,
    "sessionIndex": 1079,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xd0a751ba7effa8dacf9501f976cc529d7b0bb25692172e91b2b122ddadeb077ba49e822dfedc7595417ad4d519ff184ad6dcba308eb69df15734692ef601158e"
}