Extrinsic 13645-2

{
  "heartbeat": {
    "blockNumber": 13643,
    "sessionIndex": 227,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x6090623dd3f4baa8d6ddc41c5801453ea82b6b3ab41465298248e1d0ddd548519d5dd95fb9c585b6c2971a29f864b2465ee275a8fd2a26bb6992f9e0a63ab289"
}