Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,551,708",
      "signature": "0xb14f9381f1475a38fb8dfb4df44feeaa884df3c0cd9952873e228e91678daed5f399ad45f14f1cca545e3426268e7c50",
      "randomness": "0xc8f00508872e2d72f733cfa0f90faa65a0d920d6f8e504dee32cf9c2dde039f1"
    }
  ],
  "blockNumber": "7,408,263"
}

{
  "Sr25519": "0x68933fb1bf586f3bdcd4146e867c9ceadb7d5a929b84d52cd36b1d4746f0830cd5a99c6b204721df8618c8f56b239bd1e50fe8f54e9e00748e7b852394e2ac82"
}