Extrinsic 142936-1

{
  "heartbeat": {
    "blockNumber": 142934,
    "sessionIndex": 2382,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x3a188dbb53e678e7d20373d2745e1d73a0cb544c917e96e99d642b2c700ba15786546b099d46065483727c17b6fa97908c7113738d35d2f4c2393850bf08b087"
}