Extrinsic 2614-1

{
  "heartbeat": {
    "blockNumber": 2612,
    "sessionIndex": 43,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x269b851057f3afbb097f6738b485e7de85325d3e351a9ed6e93ff3ed35fd0c5eeb5bd82da01a522a13c6fa271071e68b62115492e78480f486a7a45e8952a082"
}