Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,567,290",
      "signature": "0xa7644e099b28bdbf16dc999a20cf3705a102cc31dadc8e9d661ffaa2dda459b461d3574e89aaff58b2df60f2a8341438",
      "randomness": "0x4ed34893909234b864a972e3c155ee12c45db3a6ebf34fefdb1e845f8cac4bf3"
    }
  ],
  "blockNumber": "7,412,158"
}

{
  "Sr25519": "0x3add7779668989f16f4ed8b66aa41b8ae6c11cb626d7be98f1feb056b94cf759fe947d2743b0ec2d3b20baabfb74a523f0c9c55d13c3fe1a0d2e8386ec00b589"
}