Extrinsic 11927-1

{
  "heartbeat": {
    "blockNumber": 11925,
    "sessionIndex": 198,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xf2e4473aa37be9823d96cf299cd4c6a085473e2284007306dee52289b72b347d34db74608c552c08a3e7eb05b6850fd04f49df3106077aad96ab01d53f03e785"
}