Extrinsic 64963-1

{
  "heartbeat": {
    "blockNumber": 64962,
    "sessionIndex": 1082,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x443aa79cbdf0cf102cac67d1b896adbd4821ff5539ce2000890508921aa21c0c1d6844eec579a20d30bffc001ef3a2ba3bac471c396e5583b73144a1c9150787"
}