Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,603,631",
      "signature": "0xaf44d7b65c4a4b51a17cdbe9b6e4cc418ed6e1e6a3a8f8873892c4b7209e3fb9278748d118c2e3b90583b18ca8254af9",
      "randomness": "0xab00991b5d0243cb9bd76f2d04cd4afb92ea8f594f17a9d68fe21765140afb02"
    }
  ],
  "blockNumber": "7,421,224"
}

{
  "Sr25519": "0xb4469f3a3517025497443f9126ad93918495ddb4f1028e6fd30026d86e5ddc36b9f4bae500a40df157eaeb6b73d6f400ad277c825c97bdbf50810ffab4ca2186"
}