Extrinsic 65487-1

{
  "heartbeat": {
    "blockNumber": 65486,
    "sessionIndex": 1091,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x2647c20c76d770a84e6aebc575e93f2f373dd0153182460285ec742303039439d7d4d5569a3f71e4e02b825bafd94727bdf4a47ba0fb007eca7c8a13be63af8a"
}