Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,545,549",
      "signature": "0x8a8c762e0af5aaf954edee72bb3974e25ce6d5d88510163c56b3a0561d6e1ad263285f17a1ec5b223ac190f436af5760",
      "randomness": "0x0d4396ab2088e3cfd6d49250c6af6e223a1a95873c25c681b02775b9fcbfb3bf"
    }
  ],
  "blockNumber": "7,406,723"
}

{
  "Sr25519": "0x8a784a8c446810368e7e5aec285055d7871391b6c2f05aa3c5422785ba8c186b0b074341c72fff42140e80651530856a0b6ee697b3a2552357813d1f8424fd8a"
}