Write Pulse

{
  "public": {
    "Sr25519": "0xdafb18cfc59962b92ea75a32675f6c9360b3fbc8de74df96e4223788aa2df10b"
  },
  "pulses": [
    {
      "round": "25,600,149",
      "signature": "0x8beb1f74cb504b1b2b056ae44e00b08e9628c4fcc7d559441427c3322b66b08f3fa0a5fec70158a430dd02aafb694a33",
      "randomness": "0x2a0d03a2371f81137f9843cf5fe505d6e7f9b865c492b07157da7c2af2ba82ea"
    }
  ],
  "blockNumber": "7,420,354"
}

{
  "Sr25519": "0x3e50f03cf8fd65223ad4f31beb641d9e774a2fc5d16b0a7e0d8fb7a0039e836289b28dbcd53f537d04b73c62be566cf7b159c90c9d6d4c28c35120fcd78d3f86"
}