Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,540,011",
      "signature": "0xaffe905acd06eef1179f99cdea933b3d05b8383ee338a7001a22b5cfebd0ef023de48adc20b7b4dda059cbf9e5a5605b",
      "randomness": "0x84d991bbea444f1df00752e09b9eec2b03a28d06969cbcc0a23cda950bf2edcf"
    }
  ],
  "blockNumber": "7,405,338"
}

{
  "Sr25519": "0x7e8d9c1edb98da093d2a94871664c98087065e5cc48981437fc9ea8fb793533162d9953762dc034e159877ba6898c8304e0246e9ca64025e576c9be2478ec381"
}