Extrinsic 122560-1

{
  "heartbeat": {
    "blockNumber": 122559,
    "sessionIndex": 2042,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x3ec5af40c36e655a4f9e00dc875e39804ead30e1f719197cc252ba8fe283ae1bbb99eeddfb7aac6b358af5c6cafba0cfcb2cf297d72cecc305053e13ff574b8d"
}