Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,564,191",
      "signature": "0xb6296270eaf14bb01f6e97ff3d096e09296ce882af0fe48b94bb9e2114d1e957226feb09120434b739f4953fcb667b06",
      "randomness": "0xe03d021255c03389df86ca9253d95554304c72222290aca0c078761d5912c52b"
    }
  ],
  "blockNumber": "7,411,383"
}

{
  "Sr25519": "0x16b2a2ffef4c4922387a4f86f5e91c75799b6c999fa309ac15c28fa3d4f0937b5f387edff5bb93ec2db9f2dbe5ad56777b8debf155874a1ab02f632998bdeb89"
}