Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,574,694",
      "signature": "0xa7a82d495f6c911227d986c9f71029b6944fbc3e659edf8069e830298d47d330f17984f889f19f83eb1c06f236982c69",
      "randomness": "0xc111acce9834fa2c31276978fb81cbc87eedf75ccb9aaada849cfc3d6c361013"
    }
  ],
  "blockNumber": "7,414,009"
}

{
  "Sr25519": "0x520d36e39e2d2b94ff413cdab6f6f39d8929f6ee8f1cd65d3bf06a26c545fd64fc81136e50b2b5eb2e64916e7624bc5ea03b563ec62238a583c10f350a37308c"
}