Extrinsic 31967-1

{
  "heartbeat": {
    "blockNumber": 31965,
    "sessionIndex": 532,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xc8f9102e126a9eca6b5de8f2b64a0633901ea2d3d04b2546aead57b245f16e555ea6b64bdc60673830c217188ee47216bd42ad37fc0ea115e373dc3ab96acc8f"
}