Write Pulse

{
  "public": {
    "Sr25519": "0xec788c8b83cf82b619fc794ddede0b9a52fca4e9d161e06d469f12a3ffed0012"
  },
  "pulses": [
    {
      "round": "25,558,953",
      "signature": "0x90fee2ec8a095826afcf759a6758709cbb329adabb1572d69816467ad0dd2b2ad75f41bf6ac5de1062317d8c0e49e20d",
      "randomness": "0x8a0eca534075444db127d1e084c9b8762266abc447f512e4d82f2a65ecb96cf7"
    }
  ],
  "blockNumber": "7,410,074"
}

{
  "Sr25519": "0x42343f7feefac603a2c226b3b28fd948c7cec9f16b7983a5bbef4e550ce9507766dd8b3fad48ce54d71c3021d06d8019b1fd83a2159de55144aad74345dc0781"
}