Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,621,309",
      "signature": "0x8231123d273e71a8a72150231843090dc3d27e782284c3163e35e6990b61bacc78d27b8dddbe6950c1d32b8271e26712",
      "randomness": "0xddd88706bb207d5524d3d7018ddd14782b87cd76a6de34f80f6a5fcef0375cf4"
    }
  ],
  "blockNumber": "7,425,643"
}

{
  "Sr25519": "0x0e284cd1a1ccbd0c619cab05a083088758aa6ac5fcae81e564ba10d40db347545f772e42bccf56c7c26b156fda930a9e52dda5275bc737f205ae0fee12e7d484"
}