Extrinsic 142962-1

{
  "heartbeat": {
    "blockNumber": 142960,
    "sessionIndex": 2382,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xfe7a845a349d7e20db9949cd4ad8481b1a8a7a8da811c477b3ac84b21f89c175c32744931d9f92439f8c6eb34cc576f25d81cbb6c25115972bced03ecadd3983"
}