Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,549,069",
      "signature": "0xa60583bac0ab29f9506bb0157b7df7feba17a2732b69612d461d929e09960d6d63263d84c769a73a7cf8f2796da93376",
      "randomness": "0x138df97df050e9231f203bad7c0c775bdb037a1ee016cce74c00d9a33c53a337"
    }
  ],
  "blockNumber": "7,407,603"
}

{
  "Sr25519": "0x8ee38297c6ad05be4d76709237e0d69089e2c2223388f33071c8db831a6c5313bbdd73592bdb23b4dc46085c4c2a799618569570c343354016987cc3786de180"
}