Write Pulse

{
  "public": {
    "Sr25519": "0xd478d73632aa403c1d145a6446ab7c757b277866647f17e47014fabfe9c24649"
  },
  "pulses": [
    {
      "round": "25,602,850",
      "signature": "0x981e2184b5fad77f9cfd6bb9ac2bcd853ea0870ab10d26f5f4b156245ad27614812c8e81c86d833e98b383e397f1852e",
      "randomness": "0xa94bc61745177c3ee178767f3a49d133cd638b2252da1e15501b5a53fe32e863"
    }
  ],
  "blockNumber": "7,421,029"
}

{
  "Sr25519": "0x74b78c9ff3ab872a2a8367894fe10439766be5b1b9d2620c016e0b8e106c5e04033fe76c4816cdc52ad4330cfad0cb5ed0463d7f8a9dbc7cd6ffe450911c278f"
}