Extrinsic 390566-1

{
  "heartbeat": {
    "blockNumber": 390565,
    "sessionIndex": 6509,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xcc76af70bd682ab80bc8dfd78352a6dd7fe5f262610043247f44282a123a5e7c38f3ab69ed7bfa6b05afe40093d55f820a418a4a19b315a74b76ded3e4424387"
}