Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,617,013",
      "signature": "0x848e270204827a22d8acb8d9965a92a588dc354ac7ccb4507e71f34cf49f0c8a792befd30a128d5e6ce377fcb2a8331b",
      "randomness": "0x738c9e7c1c74743739b13e8a7313e0e4a0269603cb8cc4de86057985505eba61"
    }
  ],
  "blockNumber": "7,424,569"
}

{
  "Sr25519": "0x0a8398349a4d2db53a5d94bb2cbd6244540fe72a445cb902ae7cb2c672c3e15cb30f34a1a4234573fff985a315f7b6305f16dcdb4253d6ecbc533d1c75043b8d"
}