Extrinsic 26079-1

{
  "heartbeat": {
    "blockNumber": 26077,
    "sessionIndex": 434,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x105997e7313b2da75230b6b02bb920f616dd30e303046015bca53f201c41a921515efaeccf02bbd764d8479d17c56ab7469d630b9b3119d954d61130ef8aab8a"
}