Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,557,710",
      "signature": "0x88c1ee53bce2b81175fe96c029c5ecf8398b9b53b66ff31d04af0af2016186a242a3e0a0596a4f1ae0008edcc7a6f022",
      "randomness": "0xd38b131dc1a4f0ee39c1a55d29280744aab79ead0e97708f956b936135dc1e53"
    }
  ],
  "blockNumber": "7,409,763"
}

{
  "Sr25519": "0x8890f38c66ce6001e358d35394f6a02c7cf63fa66f382a476e4af9954f73de267cd090d32bf72ce2022d57a38731986c757ce7cc9d2fe4e388136db20aaafa80"
}