Extrinsic 7150-1

{
  "heartbeat": {
    "blockNumber": 7149,
    "sessionIndex": 119,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x8a145f6f16479139ebe02d1b3d9232adaa07318f903cf8249c0139c2e4ebcb74dcd900481b953b53e7da431398f80b7bf8287e718b595a3244077b07c4f04e8a"
}