Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,557,369",
      "signature": "0x8afd477dbf4a7f6a6622f29d554d36226be2b4919f3d473410001865203bc17c1c981130e48ff40e179477f4f55a8e7b",
      "randomness": "0x31cc56ee645c05a07314c0baa072edeaba72ef436f3fbc84ffd881a17c4fd777"
    }
  ],
  "blockNumber": "7,409,678"
}

{
  "Sr25519": "0x22ac5d0a633d70c93805634cee2dc19c6ad6536c9dfcf8d560b3ffabd46fdc4c2da4b11605a2130ef1753c325204f96cc155c0ca86f9fca4c2e940a16b599f8e"
}