Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,552,191",
      "signature": "0xa9e1309ab4762a3256d34d47a07ef2d405d0ea9b0457e2e621af1c9ea57700026e674dd1c5a69d6623b3e3b19d0ecff3",
      "randomness": "0x787b8740f201cf034179da6f93cbc0b07906abb41d005e0d933cc3b9ed0ae238"
    }
  ],
  "blockNumber": "7,408,383"
}

{
  "Sr25519": "0xd69de306c0e53ba8fc60a0f44dfb81194b921727051d8b942c2050562d838f4e8ed61c0515a2001cddcccfead87a925073d525bc2312c7e9800a6b6058824485"
}