Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,549,471",
      "signature": "0xa1c9e189d91e34ccde7152c4742958ec0c4fc49709869d8c8c906086ac5021806551eebe74f9197619f19bf7960d841b",
      "randomness": "0x11e927332d92acdd609e3744e53ea0810c368c1bda70c6f90100805a489fec7a"
    }
  ],
  "blockNumber": "7,407,703"
}

{
  "Sr25519": "0x0057ade1b10a9a8b5dd8bb4744d98cdaaf217885002e5d04e12b70554c36d55491f970a09b5b42acdd90af4bc1f4f2e4601056f838520a8aed110ae853f77a84"
}