Extrinsic 91305-1

{
  "heartbeat": {
    "blockNumber": 91304,
    "sessionIndex": 1521,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xd2c06c7682754d13f57fb1f45f131a77228ded28ac669ef2b72b64a94cb0da339b438cf2d54e77349906cb70b66c3396d9a49cfe85c07194fc36180c12802182"
}