Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,549,470",
      "signature": "0x84a3ef77c4add312758019e958249d4754535cc4ce087cad5bbd22bd5245298ba5d713dc45291fbe5f73f99db3b9bc50",
      "randomness": "0xb9879a5d83b6fe992e022e164407b49f2b80bc7e5dad2095d281ec46e8ff6a7c"
    }
  ],
  "blockNumber": "7,407,703"
}

{
  "Sr25519": "0x88191b886ba615056b7078d4c099101244249764b6d4de367c95a45a37a73154e53c0663380438d46889967d1d71281561d6e9f23ed736d954ea7f415b49a580"
}