Extrinsic 42997-1

{
  "heartbeat": {
    "blockNumber": 42995,
    "sessionIndex": 716,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x86781a1f4196f3ba6ac1b5f5a7360c28426cfbc9dc85060f07dc9f87350a44731336ddc9bc3a08a2c2f6fa530eef97cab1b1b6d67569ed891e9b7fcd78082a8e"
}