Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,554,270",
      "signature": "0xb681b9bb0c3ba4b92850b822c9dfe592cbd0c8ae9c49dca01928fb2b6b681dc6d6616d860cfd9ed4c9285c6993115890",
      "randomness": "0x6bb727f5095082f5207d9889195394b36fae966f265669b56b8e0d678a876b64"
    }
  ],
  "blockNumber": "7,408,903"
}

{
  "Sr25519": "0x3047570c7a8a971239509ddaac520100e519f037e31a1082bbc04dca53df317ad001e0b0d736c5c160d692558ba67dfd7e75f02f258b80d41494c3174265418f"
}