Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,637,223",
      "signature": "0xb3a07324430176b957689786442d985d61120dd354593f8c1619bb573dd304a3c6208282547dd58fe04668c640038d87",
      "randomness": "0xff3a78947c33e42de50708bc4a447a8c160dcbd56015bf97bd85f79cbdfc44cf"
    }
  ],
  "blockNumber": "7,429,620"
}

{
  "Sr25519": "0x521ff9751a1b468d3609982484b9cea759d538b4bce41ce86be37bba680601680ccd4a9f3a0647677c11c9f6d2237026520e2e5cb506c589005a5e4706af4685"
}