Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,558,990",
      "signature": "0xb1e80405a3da559b63982c91e7305d02338e6dd624642686fdb60aa2d6fe0990888d0ebdfad87b8e56a95b9e2d755986",
      "randomness": "0xecdb7a438d6535a789f01d2c3c26109e503e053773c6e725f7fa162ad19cd7e0"
    }
  ],
  "blockNumber": "7,410,083"
}

{
  "Sr25519": "0x3a889c6d8808d463c12c1d60b90b3e93c209e8009f96995b3c9b686098a3791960a92379daee2460e3236f8dabfec737a882beb53cdbf3ad5a6baf0a9ae21d85"
}