Write Pulse

{
  "public": {
    "Sr25519": "0xec788c8b83cf82b619fc794ddede0b9a52fca4e9d161e06d469f12a3ffed0012"
  },
  "pulses": [
    {
      "round": "25,605,836",
      "signature": "0xb1fd3cec5eca39f49f016c91719e56a051e9748d82ca3a5657deec108e4a650d6026bda95c136735e1867e08321bc327",
      "randomness": "0x9307a2b875676ed0b17796ed6b155618aca2709a844e0b25f29b7e1d05959145"
    }
  ],
  "blockNumber": "7,421,775"
}

{
  "Sr25519": "0xcab754caaa7bc06a4f66f6a7ecdd58bc6d0bf7ea114dc12760c268e4fd773810e202af92ed05a42b990ee3ee73e62e1a4d6d7c571afca413b98615f587a12d8e"
}