Extrinsic 2495-1

{
  "heartbeat": {
    "blockNumber": 2493,
    "sessionIndex": 41,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xee618e5ee371f15d2ec49d31d5a9884904cae80753f473e980bde5ed32eecb4f8d6f924100c57a7011d037689c8e6072d1a8e27aca18f76daf0e68dc849ebd87"
}