Extrinsic 52664-1

{
  "heartbeat": {
    "blockNumber": 52663,
    "sessionIndex": 877,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xba929d53f1a53acf2af7b6298a175e5e231250e8a54e2691f93d9810db297112c515218bfbccdc9b29b44203139f0c71d0e090ba61654b49018c23ab35fad583"
}