Extrinsic 71377-1

{
  "heartbeat": {
    "blockNumber": 71376,
    "sessionIndex": 1189,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xde9c49d79441c664765e34009f195cf42d8c7ffef47f61cfbe61674cc7337d6f6230cd904f8b3efbc0109bb00f0032985c94852cd6b32daf1c824afed9939c85"
}