Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,552,251",
      "signature": "0xa66eac9762f1074f001b8ca8bed7c9b69884d095feed622d0f3fd8759bccc07edc0ec786dc53826b1927419d65d8ce0f",
      "randomness": "0xa459ff87dc3aca9517b5fceb593f5861d837c577a8cc1ba14059cf78e800acdf"
    }
  ],
  "blockNumber": "7,408,398"
}

{
  "Sr25519": "0x92b5e7c830705fbff0a3bf31b255094ed4f3b091a88405c6056522ab16d3766260a8413a81efba9ce285a253bed5287cae4a69b2d027799977ad8c49af826388"
}