Extrinsic 59260-1

{
  "heartbeat": {
    "blockNumber": 59259,
    "sessionIndex": 987,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x3ee2fcd9b8405db998934d74c994ffcb19aad4df41e6ddc786598c21c1e0694029a7e6ad6d1ba16bcabd848fe557f20ab7e97e6da53c21c025e145e117852d8c"
}