Write Pulse

{
  "public": {
    "Sr25519": "0x2a95700579638573152cf41d600ee9962d8c1ee400eb671d9306a8987c1d564c"
  },
  "pulses": [
    {
      "round": "25,602,526",
      "signature": "0xb53a3209d5a4b6c0ffafd6160a74062bb69c6b4c639f53f2eb686f840a827e68921e99d83cd558a206f6932e252b40b4",
      "randomness": "0x7bc3b38f681969f558e6f5c74d74ecba90cecca5af0312ba3d04d35668ee659d"
    }
  ],
  "blockNumber": "7,420,948"
}

{
  "Sr25519": "0x8a3be27b68a1f1cdee7d6d6f3bf35c97851c4fea4dc5ef0301cd952464c2402ef1235c15f7fb5b442b26d268ad513649abb9ac5b7b154f5e05737eee8dbfe68e"
}