Write Pulse

{
  "public": {
    "Sr25519": "0xb43f0fa5b22946e5227577fff32be5f066404dfae24b9a00ace9c51145c22a3b"
  },
  "pulses": [
    {
      "round": "25,549,455",
      "signature": "0xb25a48e4ceea337b3ebe15b698526d6acff83eec151b96302241b645af28109bb84c62a88062c75d20aa1ef812c893c4",
      "randomness": "0x3f775e09e937422511c61570a7fca11d868d47a96179619e897d2c43a6e229ec"
    }
  ],
  "blockNumber": "7,407,699"
}

{
  "Sr25519": "0xf411142dbc03ab88074dd8a1ef46c2a5d95c4686f95382c8ffe00ac4bac6795c01a1b16ca1f93a21159fb3ef7f2387a013d4b90e3eb25e5aa93d52c43e6a0c8d"
}