Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,557,336",
      "signature": "0xaed98a9d77df2388698e7c8a87b2a430b132df11cda5903df5d9c3aa22771541cd65ec3811a73a8306b42a057927decb",
      "randomness": "0xa831769fc6b00908817555b0cf869c5d2008627f0a278226414e4da4fe97c5a4"
    }
  ],
  "blockNumber": "7,409,669"
}

{
  "Sr25519": "0xecacd89cf8128e8c8a265671a130e162a9d38a7f0c0c8c540b6d0f3f40ede471dd0607fd7c8fedc5753ca268c021ee1727d4714efe92ea00ac9a13e4905ead86"
}