Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,565,472",
      "signature": "0xb9cad3bfd3a110e6bcb9cc5cae7ca0fdd96a0bd4b5c00e6ec93c87754ba7910a0a8cbad4b5013db809e88e7b85d2125b",
      "randomness": "0x813b0ad470b022ae082bf8d99240c6cb31fcf2d12f677f2a804022642d84ec25"
    }
  ],
  "blockNumber": "7,411,703"
}

{
  "Sr25519": "0x4a062308dfc32f626369d83994f2b4f43a2b34a5ea069217fb1bb195971e7b6d3cdf56a5218856baf798d8d369843b753f59a0010e514b9e54616c70de754b8c"
}