Extrinsic 59313-1

{
  "heartbeat": {
    "blockNumber": 59312,
    "sessionIndex": 988,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x0839ad7a77b412e8e05bc501c93ab6902e55f54214e280b598dd93c47dd621655eb7ec2a447da95cc6eab89149e6942fcc8e689b835987d03f8cd0c7ce3bb285"
}