Extrinsic 61908-1

{
  "heartbeat": {
    "blockNumber": 61907,
    "sessionIndex": 1031,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xf0e341a39efdeaa73655344d3e7870908b2e32be1968432e846597fbe4cf353c188a300cec2343fc000e54588320d7dbd567baa32bf428ca9e8ca8283528f68b"
}