Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,571,254",
      "signature": "0x8e8314ba78ba1950fb16496575db0736b852ea53a0960362a9cd45987e1c80bdece3cb2ec2b100dac842e92a16dad1a8",
      "randomness": "0xe26a762af532c37c39360423d4d371d1852f5f4aefce191562ec928563b94dab"
    }
  ],
  "blockNumber": "7,413,149"
}

{
  "Sr25519": "0x865cf523c7708658230255621892e0053c936db361b3877d65db8f9f9f62003f38fd918b6ac79ef2566f7cb129f7df48d1632a45f3f8cd07d014ed68b895f78b"
}