Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,602,830",
      "signature": "0x863197bb70cb5052f2d573f27e3d778a537c5b21f397fadcb9ac67605baa58c9542964cb9188963c7444b86e2f1e53d6",
      "randomness": "0xc889e5b9c23db99d8fc855952eeb191b492a82e48e9617a90d4d7859aa0b128d"
    }
  ],
  "blockNumber": "7,421,024"
}

{
  "Sr25519": "0xa412a22e7571aaf2dd9359d22662e768db067840ac3e2faa3e6e496f3a14030eb9b03a461067ed7b9d6004d32e344065e7d77b675ec2a906dc9d55b105ceb189"
}