Extrinsic 123392-1

{
  "heartbeat": {
    "blockNumber": 123391,
    "sessionIndex": 2056,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xa45bf3ba9a1b7230b78aa4db20c7b9f702f231749fffea144ba4e5d8879a404a2ba5d51abdff859f45ee00108e4c5f5291eb74a92b7cc23899f03cd9ccd5d483"
}