Extrinsic 27369-1

{
  "heartbeat": {
    "blockNumber": 27368,
    "sessionIndex": 456,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x58b6db2815281c3c7889e7ce18aeb9f250c2f80cf9bef8ecd9299cbf2d2fae23c24da9e77a0e7898e0b2eb25c3a2e7ef834d40418ae771dc82076dc3bb60d08b"
}