Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,573,870",
      "signature": "0xb6580e6080289a4d353baefbe7ede9a680690844ce8693c1981239c9f91c5d23590cbd23d0ad909d5a7a61f0e36d2c38",
      "randomness": "0x6bc6ccf7b186727477f7da5e852266aeb22c034b489af2347d0594bc756a61b4"
    }
  ],
  "blockNumber": "7,413,803"
}

{
  "Sr25519": "0x1c1ce8cda85a182709e03aabc4dfb59a2d4d98622f80cc8ad06fce618e143e66c3fc09851e75808a71b33df042c831703a70239593e86d18191174b90dc0e087"
}