Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,571,209",
      "signature": "0xb0d4170cf994cbc6549af55b643cfe41e30f3aba67c886f648624c27755680ffb63c311d254688d9353b4e5f578a718f",
      "randomness": "0x3d407eacfb1fae3c5919c7ee774853296b18355f46cdb33fa340e16c90097a02"
    }
  ],
  "blockNumber": "7,413,138"
}

{
  "Sr25519": "0x169bc0eee42aa0375c60c35019c32fcbd26ae31bf77ac58077ff729ae6244f39c5c0740108e775340617fdd044697ed4097a0e851ac02f93c6744609c4070389"
}