Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,578,536",
      "signature": "0xb2c2220f48b1981c0be91c1f9ce4cb40f644525acf1107f1468a1f6477c6abd8182f0d5476c2b26d68b4d64b15f6183e",
      "randomness": "0xe5533949add8a0320078566b80a736690af0974ff5c5984947e1f467356b2c68"
    }
  ],
  "blockNumber": "7,414,969"
}

{
  "Sr25519": "0x768821b50fa0db954628f7968d44bb51fe6b26d150a8c5dd368b53026da7e857b7e9e8cd9c67f4cf9d56b119750c28cca1f4266e19567f42911dc89f314d4b88"
}