Extrinsic 78851-1

{
  "heartbeat": {
    "blockNumber": 78850,
    "sessionIndex": 1314,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x44429b2487a1918e902fb789c786296d71e9162ae406174e89291f802466844a0dd7132c4c23ecaa54940c19b460df7c4bbefb5b14d4ee661eebb4c1d05d788b"
}