Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,553,789",
      "signature": "0xadd0bd8d05549e2aa12d200b4e2d24a9fa785039ac1d0d2346b3b81604e1f4f798d29692d9978d2626461e882e9cdca7",
      "randomness": "0x903978a06463d9bee2d768d9c71b35470a947eff7513aaf61076de2338064ee1"
    }
  ],
  "blockNumber": "7,408,783"
}

{
  "Sr25519": "0xeabbb2e8f0830a29d028b8dcf99c4aada522b101a78b3aeef5567034b7a6f91de23c21c155dd1a77ab45b278e6e18b2990cb86151b1c910ef2cb6314f334e28d"
}