Extrinsic 16161-1

{
  "heartbeat": {
    "blockNumber": 16160,
    "sessionIndex": 269,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xbc46304e2a404f43f84ff44b643e3c1576f9356a5a5d86b5261fda19ccbb35147fb1c2509b2b00582f252fb0788167038b39d6b5b07a63cf3b941b15563da089"
}