Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,553,292",
      "signature": "0xb2e62362a4493784f03b052d05c631485ecf72c3f73463e599e43b4236530e7fcadb431723713a5a35809b3bef61596a",
      "randomness": "0x376ad4362d45e68501ce4203fb92ebbadacf038a32e60181834c2ad05f967dfc"
    }
  ],
  "blockNumber": "7,408,658"
}

{
  "Sr25519": "0x7c664901a997cccdf889810241a02d362a99d8b421b7972227bc4bc40d458555354beaa3a103c7c13c009487465b57781198366b6f7c6cc681bcd0ab118e7f82"
}