Extrinsic 13227-1

{
  "heartbeat": {
    "blockNumber": 13225,
    "sessionIndex": 220,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x82e1b5cef70d84dd9ba14824008a8c37e8c21515bb170c6201b0265cf2cac006660c00173926bbdfbc0328b82cd716b1afdff3867f6d1313c026503a91bb098a"
}