Extrinsic 59555-1

{
  "heartbeat": {
    "blockNumber": 59554,
    "sessionIndex": 992,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x30b2240376b94d5ed11e151c6f457cd7d696ec38c74f6f3c706eb6e280a9da184ab31619e166d7445b2a7fe8e734edc5347c0639ad748e86756ab1b5e5a7db8a"
}