Write Pulse

{
  "public": {
    "Sr25519": "0x923fc2af16b838de1ba9d3934555a73acbe3aff5a4d4304a1b45787358d61279"
  },
  "pulses": [
    {
      "round": "25,550,800",
      "signature": "0xaafed86108ed5e2fe1f4509100aa3f48db5839c6e5451c971d787cae963218aa8e73e08776c6064e618f42cdba91b294",
      "randomness": "0x3eaf8e8997fe14551b3fd142c0523e4458ec885856dee934023037070aaa1de6"
    }
  ],
  "blockNumber": "7,408,035"
}

{
  "Sr25519": "0x12b3f41957fb2688aee3e022a871a0bda87ef11b4dfcef9685780025cda1612943b863ac481124de15ef5e5690c008f2bc9c0ebba25f09e92fd93d3e895b3588"
}