Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,605,660",
      "signature": "0xb064b6b2f676340fc7de8ef1c4484c9c7395131f308c654a5bf35a51b4922a3ff39e5c04375e78f278cf14918aef219a",
      "randomness": "0xf70c815893a51e38270037c559c54559333798406157a2ecb6a49377412d94b4"
    }
  ],
  "blockNumber": "7,421,731"
}

{
  "Sr25519": "0x46dafa7b0d4448e5abd6f994d0101d7f107d77e2a11ee483fea1f421e1753261070ef18e6773e4a2f560ef792c9cd033ef9dc23b2cde39f6c94941a5cf7a148c"
}