Extrinsic 3733-1

{
  "heartbeat": {
    "blockNumber": 3732,
    "sessionIndex": 62,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x1ec6669f0663977aca264e2d6cffd80f77875e73cc19b53450eacf57cac1e31af0857e9660da2da5ba4a8e6ae73cb1b91dd63ccf46e854af33e03c5d7864fe85"
}