Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,557,173",
      "signature": "0xb25e0ec47f79ad56f3c30d122d7634b8a2078a72e8ee8cd7bf2a7d5e266fbb73a7f83ba4697a7587111305bac86027a4",
      "randomness": "0xb1e357404b3357f5c6943260eb8a02acb10b5e6274ef09c2bc637ec8d4ff4a4b"
    }
  ],
  "blockNumber": "7,409,629"
}

{
  "Sr25519": "0xa6eef4b7da1c88d3e23ea83a1f7803cb450e25c92263fb9f95e29ef12a45325cfe607887a1af2aa09132250e4e28a40e27ee65b9003a9ec040a251af5615ab85"
}