Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,605,846",
      "signature": "0xa23800f2b4ba897545792804ff1c06d338f4c38336665ab38cfcd3eb592311e8db01bd70c70361054b60a4132ad005bd",
      "randomness": "0x977b9e1bdb9143a3510b4496f96b783f4706b6c31e7d5059027f19202d22a747"
    }
  ],
  "blockNumber": "7,421,778"
}

{
  "Sr25519": "0x8258896238ee7692ebe2178a5f7f224188f2d1d165b59910f2b6b8e26d759122dcb608f2db0cb986d5db03a941bdcd27ca38330054785aad126cf629d67f7786"
}