Extrinsic 2078-1

{
  "heartbeat": {
    "blockNumber": 2077,
    "sessionIndex": 34,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xf6d240a5eec0d27ae000204109a0dd570a5db6f67de4631c4811dc1202c33232c67fb8e25b4ec8114957d3b4033d99ac5b54469cce793fb83b6779593b572f81"
}