Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,568,969",
      "signature": "0x9553c1e54ab4d3008640e1b169dba89ec8aadaacffe51607919d5f81f01151fb60c35d33fed7dad0c93989abe5b3d914",
      "randomness": "0x402e4c22433d0bbe381b8dc2074b5961d6856a890a0739a1f914297b9e4b2cc1"
    }
  ],
  "blockNumber": "7,412,578"
}

{
  "Sr25519": "0x4a105b81d632c16f3c4a1a8f42c44188db9367c6ad9ba113aef34f43ce9cf4002d0eff46d80033001f796a12f46da92301b07bc11c4b606e4caec48ad2d8f489"
}