Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,565,495",
      "signature": "0x90680113078e75dd6d0b3c79261dae1a447626b5e79ee7c008d4ed8301dc76cd831658be53cde0e105c032159129945a",
      "randomness": "0x6c9b2730f7360d61c01612d775f1c62258b7f94b8450a49694dbc63eda19a1bf"
    }
  ],
  "blockNumber": "7,411,709"
}

{
  "Sr25519": "0xd27bf17e35403d8f0c71ebe184cdf77db33901906d6aa688224661de43807f4796e91c6a9e72a834bbea106be17d18863f685360b82829d2bdec8129f7bf6588"
}