Extrinsic 390106-1

{
  "heartbeat": {
    "blockNumber": 390105,
    "sessionIndex": 6501,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x56fdf5585660f4a2966c6a0707c7b6832c1e10dd802e66967fea9dffa5c3ab306d61bec26be43f09c6f033607dbbe9aaa0c827f0f1c027d60dec14832433098e"
}