Extrinsic 77898-1

{
  "heartbeat": {
    "blockNumber": 77897,
    "sessionIndex": 1298,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x482c6a543e3836b102c42a69b3439f3b682177ebf64d72dd329f19928d961151fed71e5157e6557a7d5d30ad02b9d043c5d67b01221cd27aeb9447276798af8b"
}