Extrinsic 66342-1

{
  "heartbeat": {
    "blockNumber": 66340,
    "sessionIndex": 1105,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x5839444d1719f018d796131f8db69119f18cddbbae6d7e000dee4d9196532d1c76ec6c90a85baedc0b2956e4206345bd0d6bd2686213d71f903d1bd77bbe5f8f"
}