Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,632,052",
      "signature": "0x8ea3c50f9c70057e8cb9646815c9b310bb4b581fcbd3b9050c317d3636481174cfe434d5b2783762b53cebb8237741c1",
      "randomness": "0xa9c3439ceeec7d716da02c5edd649823e460337e37311e655aff7f6a0ed976bc"
    }
  ],
  "blockNumber": "7,428,328"
}

{
  "Sr25519": "0x68971a5e3eff7cfd7cf8cabfde3bd7ffee1fbad806151f98f4d8ac60f0b9ef5ff444b0cf06206555436bd78b56978c8cccbfcc9077d2535d4c0e6abf3ca2308f"
}