Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,620,697",
      "signature": "0x802968645e9f1c94f85f75a5270a000367f00ca83f02bedbb0848d536d66f5a553449286c55192daf6a346c2c31047a4",
      "randomness": "0x474adbebc79b644c42552340088deae9552a2901a310b2e55470e587aa638643"
    }
  ],
  "blockNumber": "7,425,490"
}

{
  "Sr25519": "0x761a672161f0deb0342d11a97178605b5fb4c7d9f1e91a9a93463349bf92200d16282302bf9b6f0dd2fde10cf73d04d315c01e5e4226d40190b05584337e0781"
}