Extrinsic 35352-1

{
  "heartbeat": {
    "blockNumber": 35350,
    "sessionIndex": 589,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x78eccb080eb46f23c59acc101ad31a4922e6509790351e4c6aed517396990615405c9de81c527db1048fd65e29f69266c3fc663ed6b1f76aca7475138ad0dd8d"
}