Extrinsic 7367-1

{
  "heartbeat": {
    "blockNumber": 7365,
    "sessionIndex": 122,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x3c31401c3494a1ad5ddf10eb9e80741c226b40852b8843e6ed2c78bd459d4542a30c12ef9c3e3e3532b9bf8255052bc2c371344de24aaff20a67d04df6167382"
}