Extrinsic 31485-1

{
  "heartbeat": {
    "blockNumber": 31484,
    "sessionIndex": 524,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xda733691bcf915a22ad0fe617ff0c9cc95a4ae6f6856dcb4855f9e2d70a3cb3308e276378733183d0b2d0210c3a2e1e1eed9ce3d5902a680e1640e6f9ff71d82"
}