Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,601,493",
      "signature": "0xa2df75172b1f4aa74ca5e3641c277b66ea3a4bc9acb279094647388755a620ee9d8c2a9d0e65a860a04fea351d376fe1",
      "randomness": "0x4e6004f463a93a2b17f5b50ed6ab36ec451e71b9824a229bb3e724b9931afb2e"
    }
  ],
  "blockNumber": "7,420,690"
}

{
  "Sr25519": "0x88675f47928bc43c63a12dbee9ddef2a22d462193b2e0d87a0df4f26ae47041fe378e077b05dc6219bcbb78c8964f67e95e7906112f332c6568956155b910a8c"
}