Extrinsic 6367-1

{
  "heartbeat": {
    "blockNumber": 6365,
    "sessionIndex": 106,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xc6acfb62668a3ff3fc197fc10564fec96dc9d037de8f5b0b9bf5bd6f5825513af97f0a9cfa892fd837cb365b9c14dc04d9492cd592b644de164a1d7835575987"
}