Extrinsic 56916-1

{
  "heartbeat": {
    "blockNumber": 56915,
    "sessionIndex": 948,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xbe521a1b0ba05f3df7f19dc8403bba9afec00bf3f51f95195f2ed9973698174ec5b5c107d72cdab0502fbea4ec6d7750ccd456670a874a60ca50dde6ade4e587"
}