Extrinsic 77863-1

{
  "heartbeat": {
    "blockNumber": 77862,
    "sessionIndex": 1297,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x4222710c7b7bd494fff8b1ddbe5dbb46cbe2c00f2846baa1fb00ef775edea35c21b4a6fd007baa4ee72d281fdb6f952fa0e4eb77a31b43ba18922e66e801a882"
}