Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,555,949",
      "signature": "0x9359aae6f2b9b93c99815bd7b3f6c436e86460f89fde76170637592001c1430e3d8782f931649d9627287627ab915023",
      "randomness": "0xb2b11637c4f72ff863e5d09101f20db9d795e4a25fb1e3db3b224eb273365332"
    }
  ],
  "blockNumber": "7,409,323"
}

{
  "Sr25519": "0x9850d388b15812428de3b16230bf98ece45b5dc60948dd24af49e5671485777ff6c37839a67b618768c79bfb83a39ffd58033fe8486d331337f94e90d644a485"
}