Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,558,262",
      "signature": "0xa61455913c11c8a3a5202e0631d1a2116226ce69612d6118ebba4c91bfe551054b795d65093552388c332033dc267f4c",
      "randomness": "0x4a38f98dd6c09eebf7a840e693a63543a2fb32eebfd96eaa6c023f23916db4dc"
    }
  ],
  "blockNumber": "7,409,901"
}

{
  "Sr25519": "0x424db0f921e755bd2074fbc01894fb9d455169fc88affff55b2592481a7fe47b36687dbab98079b97974fc0a97a231e36fe50187bde5c8befc0387a230098f84"
}