Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,550,170",
      "signature": "0xa5f2e9be04c1ed4c02f2c80aea7c415b3b85940fe532c7dc64db09903965470cebbb602e015efcaa8eeecc35c7e92f0a",
      "randomness": "0x5e3b83b2b735faf931193ceed9f348b848ac61af39ed771983710e954ead1f19"
    }
  ],
  "blockNumber": "7,407,878"
}

{
  "Sr25519": "0x7af9f35d1e0e168259a15978bdc526a1ef11abdb3d29492c0e097e5db8edb7241b27634b10615e6dfa0cbba8e7394b1623a953f984790c4bf1f4da971d224680"
}