Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,575,551",
      "signature": "0x865ecd84b04ce15d5460ff0b008a5e030a79c36a648021718a944404376ac7bd7ab80163d9a61a354e1729cd3c3553d2",
      "randomness": "0x9f19a114b7bb63c478a9f380e2fd2b8a3a868be95cbc7ef954044b9d0eae556a"
    }
  ],
  "blockNumber": "7,414,223"
}

{
  "Sr25519": "0x9884af36d2ca80e939f69110777c817204b76e7e0b7c3eb83ba2c1f28a66c1442bb99cbe6de832cb34275a496d2c38070fdd112656a142fdb063a58d3570648b"
}