Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,610,272",
      "signature": "0xb62bc7fdd14158b1dfc67f32906cff944ea619d5c45ca2430de9388ec0f139699b675c1c01b7dd3236f3b602b2871935",
      "randomness": "0x854020d5733b718a004ef529055880acd7c04256b8e5a08cfba46894f6961d2d"
    }
  ],
  "blockNumber": "7,422,883"
}

{
  "Sr25519": "0xac66b463bb98e6141b8868bb65f4175361551153a5da47d1afeafdecc1bab106ac970519c0971b54d483013d602bd348bd3a6cb7665a54178cb88feec5a44384"
}