Extrinsic 37469-1

{
  "heartbeat": {
    "blockNumber": 37467,
    "sessionIndex": 624,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x7a830c370734bd6d5f651f066b9813ff93915520d35c9d65349d4a92ccd88902362af62bd8203fd85acbf9206bf8967e67996200106f4109fcf338ef1d1a5482"
}