Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,569,369",
      "signature": "0xae2221d8e75002a0c789c53689f5e346fc7ead7375ea58acfca6fd0ce1d84dd89783f744961295b1868d7ae013cf365d",
      "randomness": "0x2b156c64b68461a34911aea7f00a1c195c3a2c0c9f0fb226c42382b04798dae5"
    }
  ],
  "blockNumber": "7,412,678"
}

{
  "Sr25519": "0x64e7f6e7626980a3aec3326c42027cd7998fcfde676dc4bc1d7b1ec274cb234826a593fd3463afb1ff574f1b91da0c5f6ac300276ef784d0c53af9794e2f9f88"
}