Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,539,814",
      "signature": "0x8f55336db67765cf381fac4e1d4801c29a3bdf793cb675479c4d5c5fbc2469cb13ab2eae1a825950773a3a244b2e7274",
      "randomness": "0x9b8547cfa974c9d36cced7fad71ebad4e3d82a66e29b3991723b32d430754844"
    }
  ],
  "blockNumber": "7,405,289"
}

{
  "Sr25519": "0x0e18841efb57e3f60da3dbed2d23c6660165b9102ef871fc85b7e0f1803d4543363e7dc29ab2c472de60cf699ade3a949ca1df6e0aa9979523d9978844676783"
}