Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,600,272",
      "signature": "0xb8a169a6d7f28d389e5edfd85469055140e4620ee9397d38a42219ce619a429e90b448b549747c4c9f60a5abf6d16282",
      "randomness": "0x1e7aebd0f693d84642f056386145dd6962bbc51081c873ca05205cba9d98d3e5"
    }
  ],
  "blockNumber": "7,420,384"
}

{
  "Sr25519": "0x34bbcd1dc6d9648171657369fc73ac57273475db25630e11a071013bef90164b74f535c1665be9677996863dc1a3f97e54c80cfa063bc6184b4e1beb4997ba88"
}