Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,550,190",
      "signature": "0xae8967a994a8ee50e0c312907c789b5834011aff727898c9b1efd3006b925db686c2b8fd2e39e9e1875f9a678e6873be",
      "randomness": "0x17fbacd5bea00795d03dbd5ced725d1d97f0fad23f5d2c4dc28c544eae2c2639"
    }
  ],
  "blockNumber": "7,407,883"
}

{
  "Sr25519": "0xd2d1d117d7e95bab9d4b5b4a6350b6ae4ed52f201820d7b58c404ccd9bbd6661253446c2b5fb9204f550356aa207dbd77ded0207e382e006950b30e1e1042784"
}