Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,598,696",
      "signature": "0xb9b213d89551a0265cf7ba8265fae1855af3c2ff7708aa74dabfda47fcb15955eaa5929be389dfe527a95c1e2bae9eed",
      "randomness": "0x0868fd501b15426e65e91253f15a4222cfc4bb045a584e2b95acbaf39b0facbe"
    }
  ],
  "blockNumber": "7,419,990"
}

{
  "Sr25519": "0x9aa6de42c7052a4a3bb41269e973598bbf7f4d38a95f320971dd6db2c233b66750080e9656a65d0e81b293a7240ab44d702240011b637a5690267cce6167fe82"
}