Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,676,749",
      "signature": "0x99772a10c3f39525520b4c8d8d8ba90fcd02db653f66986ca2097cf0e388a73ad6d14a1b63693cd7f9ac15c6c78671a9",
      "randomness": "0x20e5b38da9432a6d73c6d86043b64c0791ec05ca698c95d858fd0af6ef6d2925"
    }
  ],
  "blockNumber": "7,439,479"
}

{
  "Sr25519": "0x84fafeed62981361b1d38180b34c7576fb8d5526c44c022cc0369238ecc3c92580ad93d9236cc40f0fc3ce8a407280229bf79153bbb5b10a766c9e4508564185"
}