Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,558,535",
      "signature": "0x8035498155938c3a83517977becf065e2e24924d392f7e1f9ed6605267a97dd4b110eba544108991d9b5b7a9636dfb0f",
      "randomness": "0xca509c1bbbb87a67ece3d7ceedae362f39174f430b15bdd82470898dc7433490"
    }
  ],
  "blockNumber": "7,409,969"
}

{
  "Sr25519": "0xbe1c88be9ed39b3256d40e499ecb02a2f5d11916d9f3b8befeab15230b81fe6bcb6c1c2a9eb9281e14f36c2da4c372a23dbcc5bd4b24280ad6dee665c008498d"
}