Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,568,350",
      "signature": "0xa4e77596b9e3d2cd2f3b7abaadc9544d9e1b579b764728cdfcc6622b574906ab5f83deef9fa43bafb16c8f1504b906d3",
      "randomness": "0xe0f4f2333416dcd3b0d6b0848798b10a331ef4975d76a1a67a229832cef78f2e"
    }
  ],
  "blockNumber": "7,412,423"
}

{
  "Sr25519": "0x18b05c43bb0c2c378fab516e7527aac623b942683d09201cfe0d0013224bb0739efcb39c05733aa14e098d50cc152430a618c28ffec68b77e9521716cc161d80"
}