Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,537,209",
      "signature": "0xb7a9348628a13b615a32373dd3ad31a3b05e43588adce6467aa0cba5d6d0a6d921aa89d1fbc2888d64cfb94b0f3d3cab",
      "randomness": "0x8c61a88f1b8870c3d1d9373c53becf3a6152fe7979cc8b650366bca1dd02191e"
    }
  ],
  "blockNumber": "7,404,638"
}

{
  "Sr25519": "0x74f0711cc6c10155d6f7532746442d87ec484903f6b92bbe51374c42ef3c41509d1cf89662625517f7b1e215c2e6d25c9e6410cbdbec9f5d443d465bf7a12b87"
}