Extrinsic 60866-1

{
  "heartbeat": {
    "blockNumber": 60865,
    "sessionIndex": 1014,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xb81fe9f3990e2752719d7a378e322501d78cc5567584b92966cb01426a4922208c969846428964aa214e5fca2e5f3cff67fcea70336b775f39891b5d0366ad8e"
}