Extrinsic 37534-1

{
  "heartbeat": {
    "blockNumber": 37532,
    "sessionIndex": 625,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x069851392026fb3fd125dcbe69082366bbe74e2a19aa0b25db403d74f8a48863263d1dc96b699fc0b60f73bead1d55874f34ad05df0d119a1f591c68c25b5186"
}