Write Pulse

{
  "public": {
    "Sr25519": "0xdafb18cfc59962b92ea75a32675f6c9360b3fbc8de74df96e4223788aa2df10b"
  },
  "pulses": [
    {
      "round": "25,619,910",
      "signature": "0xb8f2bc066a74186a865c67944675ea0ff8b6c58ff7a10109748233f3375821f70d756687fb253a4bdb80549c59496779",
      "randomness": "0x4f85153dca76327708fbf76958cfd2d127b7d116366179d12b952d94036ad3b7"
    }
  ],
  "blockNumber": "7,425,293"
}

{
  "Sr25519": "0x2c3767a3671920b8687feca1f02b0ab67626913edb5689100f532d7a42ad4176e284fab58a3caad4fd625fc44c63186e6e0d1347c48a0cef24e8fa982747a886"
}