Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,548,748",
      "signature": "0x90b3d6a3c16515bd7b35ccc376c6c2b1a32c8eaf35ad35db30bce7b96cff770ae1bf935464a9c2498f02fac3e1db08d1",
      "randomness": "0x1ad050ae5882a1cb2222e18589f9321bd4bb7583e8852f485604c53eb8be4e4c"
    }
  ],
  "blockNumber": "7,407,523"
}

{
  "Sr25519": "0xa4463d773ae64a33c138f0ce7c4feb520f1ffac33c9c58784bf4b3619cd6387412e1186c56ff5dd3376206dfab554dfb16c178215f3232f2d71f573c4a2c188f"
}