Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,604,139",
      "signature": "0xa52dda35014d03ac3cc2aee13764f6467aea5494f76db9645a016090f22c612eef565d2d0f10cd94c76ce8fea6721b2e",
      "randomness": "0xb277364d618985311fb836daf0a860a28c7951619054f2129a0c6e7586de0343"
    }
  ],
  "blockNumber": "7,421,351"
}

{
  "Sr25519": "0xcab191ea05eef660900d597dd46b994e01416457482a6efb48de06ef574cd8517afd8b1f3df22d76fab7a80f3818c79f0b6bdad45d1809566fc17aaf349a8a88"
}