Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,605,221",
      "signature": "0xb73c66b6a134acaac780420f16ac7a291f31f663cab602a52d0579ee3a32a5365b83592c106126eb96ee6eb72199747b",
      "randomness": "0x16fd144787f21e8300f04380782ea54e56173074ed3c7da21716ed9e6739d251"
    }
  ],
  "blockNumber": "7,421,622"
}

{
  "Sr25519": "0x9c0eecbce9666df0accbaf63eec4ea000c6577f66bcc1a22573b09fffc3e4b01adebfd74af30156f463727f067976fb22328e050eacd03a74be202c3c931b783"
}