Extrinsic 58360-1

{
  "heartbeat": {
    "blockNumber": 58359,
    "sessionIndex": 972,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xf0ce4d8a44d3b02f6f795049aa268c15f2ec73537f733f8a202f44096df6573785c9b5a6b15fd1997467eed13685ada18fe361b05a3e6006232a629de2569f81"
}