Extrinsic 61061-1

{
  "heartbeat": {
    "blockNumber": 61060,
    "sessionIndex": 1017,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x52777d8409b92e60eca471b78ddce9352521aa7c22d378893dac1a2217eb311043fd5e855e41af2fda80bc26685b98485c9cbdcf9345e71dcb921ea3fa70ff89"
}