Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,553,551",
      "signature": "0xb6cfe43542ea4eff76d0d9168efc2cc2c07eb3a80f1f1e858617a6638ae78febd21f827f39f1ee02f6df8b1a3e4a07c7",
      "randomness": "0xc94f7656b6eb19b9bbb48bca3fe44bf09a56f26a7ff943b73083014ba22ba4a4"
    }
  ],
  "blockNumber": "7,408,723"
}

{
  "Sr25519": "0xc4447e24343684bc3ad68c03d764b1a523259bbbe35a2342e6617dde63b210031761660c9414ca55f2bc95563127bf511a13164a0d285c863e2a4ee43f6ae482"
}