Extrinsic 22483-1

{
  "heartbeat": {
    "blockNumber": 22481,
    "sessionIndex": 374,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xf2d0f54208a0a2c2340ecfcabbfdb50940f0b3b497ba095c3fcb84abc99b7a03ff16a59961c490c2a3da2879afc6e5e3b2858a14937f59f1a73c28880e32cb88"
}