Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,581,450",
      "signature": "0xb0a7bc162687da1cb3c240935ddb10075db3bbae2e34f867309951e06d93f0bcfe19e75c29f8ac81c8a59770c66dd1a2",
      "randomness": "0x20f4077938f8364a58d399f94147b283152cf4b4c6d99c51102ca5416a54a527"
    }
  ],
  "blockNumber": "7,415,685"
}

{
  "Sr25519": "0x3cb4a8c088210e141f8c5caa135cbe7b0a627cc2aa076b7f3763dde1700a1f6cd1e5b2fd5db78054c23dca05554ae11c4e8138abe1bbe0e48da737a6180b3f86"
}