Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,547,872",
      "signature": "0xa8bf53c49cf7e64287e8eeb23c7ab7c08cc39afda435166f27ca30718409994d22fe9569afdf05185c95253976f385d4",
      "randomness": "0x83e33f608da9c0d703f86c2518bce1367a474758caae12407493645e1314eac6"
    }
  ],
  "blockNumber": "7,407,303"
}

{
  "Sr25519": "0x78c51e9a565b8e2031a8a09200b6dd983d546b72cdf53a435c6e01b4563e34033b36eb896fe4e97243f0e45582930272e84e14cf3159060d444438b3b550c88b"
}