Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,629,173",
      "signature": "0x888a521c72d4a740f49d0120a0102e4575a7fa6778407616d6e414bfa32aaf484393a87306546c41a8d32163b7c6b6be",
      "randomness": "0x7724b63fde3c1caf789b81c259b2bc31d1ebb23bba1fd9e989bab951d210ae21"
    }
  ],
  "blockNumber": "7,427,608"
}

{
  "Sr25519": "0x5c88a313b0a285ae525bf8fd06435a01dbe5d4f94e2617363c34d0d320a53a7ccb62aaf94578e0069b2450e8cac2230687d2aeaba99db08fd176e38cde0f3b8e"
}