Extrinsic 122738-1

{
  "heartbeat": {
    "blockNumber": 122737,
    "sessionIndex": 2045,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xb823bf25cf695d606d57681c651216b2c9a2a7e5943320e7a418523e58396d449cedda090f0479659314ea8252c20d5635e6b0687929d2060532dfaf584c9e86"
}