Extrinsic 102528-1

{
  "heartbeat": {
    "blockNumber": 102526,
    "sessionIndex": 1708,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x0836962e9b11d690e628a511d7e03d14da43cbc4a97dc155cf77289136f59c79bad64716c275f5d44eb9147c44768aec6c63f308f38f0333f4a79c77b0b99488"
}