Extrinsic 88788-1

{
  "heartbeat": {
    "blockNumber": 88787,
    "sessionIndex": 1479,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x020a6410b5da21c09678d33296d99e37605e42089a62684fea838a05f0e6a1571436562c9898cf6cae0f83e2662d7bf3a07e6d1c0fd28b983cc7d9dde0a3b58c"
}