Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,670,271",
      "signature": "0xaf9b1ae52bfebf9d55116f3fdf4534ca55e3df27c8fad63cda63076c3a5e39293dfbba4df477d73b836c120549cfeb0c",
      "randomness": "0x4bf492c5a773888a5bf7b74b223549a1f23623019211747dbdd900a10efa0958"
    }
  ],
  "blockNumber": "7,437,859"
}

{
  "Sr25519": "0x146091e97c98a11db7dd8ff9a1b2ed916030514e4fb5a3bebde9fe1180967750cadeaf44f3d65b1a0292ca433c087bcfeab0aa8be9499d395214613771823789"
}