Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,539,149",
      "signature": "0xabf72d164913453bf3d15a59bc2efc59527041050d2dacfa80c9937f6f56d8d178ecf446d2814493e3339ce5041f1175",
      "randomness": "0x68b7976c4423d65ebabcab37dc27d959f5853b9900d702d731a0bc25d34cd7e4"
    }
  ],
  "blockNumber": "7,405,123"
}

{
  "Sr25519": "0x04a9bf168f6aad57de8fc718459da32ea6ae700ee6624fdb6ef9160d5e8a6118aff7758977af55d34b9673839e4146ef47d1e1a82c125a986aeaec802a28d883"
}