Extrinsic 143417-1

{
  "heartbeat": {
    "blockNumber": 143416,
    "sessionIndex": 2390,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x1640953e054df5715e8246caa6aa09d99e04e0b16b07b99cecf2d9a7c6d43138af749fd9507387e1c0025957b227f2e91c0db42760d1e2fcb71c4263badd048b"
}