Extrinsic 141459-1

{
  "heartbeat": {
    "blockNumber": 141458,
    "sessionIndex": 2357,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x6e6ff404fd6d6342beee9aeabb03802a3b1e3570ca6cbd1d999d65344d876a21b6f52d101e4f53c37bcfb10a896f17b33fabfcbcac3d5058390a4fb2d0873582"
}