Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,551,896",
      "signature": "0xb229b09e5e5ca16fe6a12d1ada5979b78bb9def887e2eb97cc2a3ab5ebe698c2dd7ff690a55a45ba6da4677af80d3774",
      "randomness": "0x016cb1bbfcabc23216520a8ef0054402ae3643852e38bb4916160af4967a2069"
    }
  ],
  "blockNumber": "7,408,309"
}

{
  "Sr25519": "0xb2a6f63be9517cb337fd9a9f4f879d1d09367df3dab03b46ff5cf895cbf2ba04e5e1d2072f9298afbced6a357d367a88d22095d812c1c4cc2e53d47d0056b889"
}