Extrinsic 13597-1

{
  "heartbeat": {
    "blockNumber": 13595,
    "sessionIndex": 226,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xaa73c02c95af066a88219b80423d8bdf4e9fe3e31c1cd9bbfa9fe0e51552ac7f99b3c16194cd37dccbd30c76c90d41b9b3f04b91f2532bb59a6f3bb15fbfc08d"
}