Extrinsic 407561-1

{
  "heartbeat": {
    "blockNumber": 407560,
    "sessionIndex": 6792,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xd0d7f0baa0b40b31ed0c298baa1fa25a119bb2d9aafa19d0f075866975b3c11a1b35262bb2a3240754955638ba9abd8afa01a1a186bc6cdb4aeaf4670584088a"
}