Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,616,055",
      "signature": "0xb59fa5e43e414739288576bfeeadd7c015abd185ce5eda6b260420a5544037b4b484d00b78ef26ff8a2dd6db0829c244",
      "randomness": "0xd9d687a2e3d58adc4be1eb346da08b40255593faafe2df652229e999a325952d"
    }
  ],
  "blockNumber": "7,424,329"
}

{
  "Sr25519": "0x44be78b2dcb9eaff4dec6ce2feb9588a41b910e7adba0ad596aaec44f6f042564c3cf38ca99ae93915089148fd237e00b9589ed237302e441eae8101d8ceb48f"
}