Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,559,389",
      "signature": "0x891f49a5ff57860ccfd87582a14232ece06e2d99a6ab09e43287e3c0a88888259777310c2ec9e5b207f815b63063c71a",
      "randomness": "0xec5f3f081fd60a5e60f671c2999d69a6d13966fc97215fb8774f493d680e0b6d"
    }
  ],
  "blockNumber": "7,410,183"
}

{
  "Sr25519": "0x3281d0010078e5732bb821635b67527715b7f0e821572975b955a186a37344721c2f9df75b116e8f80b662ca427b06046b89a10bc9a7c69b1ac1928633253886"
}