Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,549,550",
      "signature": "0xb5d4224737fd6c0222d217018d199537e6a98e05cecbd0b0b52e70a765e46e5d16140864898ba626c179572545f21e3b",
      "randomness": "0x2e3e830ed3c9a6c16641fa14e332e46308c146f3a6b3110298d097f5fa96944a"
    }
  ],
  "blockNumber": "7,407,723"
}

{
  "Sr25519": "0x7683484bb3c0c7c1d24ec9ff61f48e2a92f16c8d6076a94b70bb0bf10059af4dc79d311bcda8aec8c751bff843ece07ee97946dcfdd0b2e99ea4152ac142bf8c"
}