Extrinsic 70665-1

{
  "heartbeat": {
    "blockNumber": 70664,
    "sessionIndex": 1177,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xd8fd4b2b4247c9f257717573c4673c224eeba77e60c6b754e974db1b5a9f4875a2520be860ac1fefd909cf2ee8279417000c25798340f386ff07bda94c934882"
}