Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,545,372",
      "signature": "0x87e4da2371ceb84f259cc815f35cdf4c5ec345f661863425871b8936e2645a5cfbad06f14f1914501fa4ade68870fce4",
      "randomness": "0x5db31e8846703c81b10bbaf0aa152f49eb0b48678b02a0624d150c17cc5479fe"
    }
  ],
  "blockNumber": "7,406,678"
}

{
  "Sr25519": "0x84cddb5131ec0b07e80900d370d949f5d822b5aedeb0095b697de444056f51633c4846665c37fbbfe92f42a34fdb19505b2551fefebc005b054cc8710fd59f88"
}