Extrinsic 69880-1

{
  "heartbeat": {
    "blockNumber": 69879,
    "sessionIndex": 1164,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x04c9ae79053beee6cb17a4876a120f922b9cc4235a2943f7fb910482088ac82ae6f97abfba2e4fd004a9ae39909f214c5e3749279ad4e27ac2948f3391686686"
}