Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,555,381",
      "signature": "0x8813a054962998cb8e046244b9f54c55b777a1b071a23736d3c6fe2f6890374a1c511ea91a02205bf2e5b96c8d870379",
      "randomness": "0x329b00114083b130255dcc3f8594eae81adba1798307f222c767301be6bc7a1d"
    }
  ],
  "blockNumber": "7,409,181"
}

{
  "Sr25519": "0xba117b83ed39e46708ca1587e0a4254679b630b34c0ea5a6ec0ac3e1dcfbe116440eb1cbbb36ed8759f61b62bbc182fe8dc4a7087b7d819715d2f1ec98b3df8d"
}