Extrinsic 13297-2

{
  "heartbeat": {
    "blockNumber": 13295,
    "sessionIndex": 221,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x562b6e224e8a165a2dd26ae0b83038f9fc1d6d53fd7fbf05afd4cf22eb86c614d6772fed3d77c27d19c0681cb62521f840262551f3d040942f274d6aadcfda84"
}