Extrinsic 393566-1

{
  "heartbeat": {
    "blockNumber": 393565,
    "sessionIndex": 6559,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x3e4eb621ac85d4c6279ba1e2a4adc22b12a272c115a4fb67c1723fbeaa8a3d796566b51022dab3497ed60203966c570e787d104fa86f28293bb258da07221e87"
}