Write Pulse

{
  "public": {
    "Sr25519": "0xfafc4334cf90d3c9fb3c18c2a6636658e7fa1183917132c9ef93fd1efad19361"
  },
  "pulses": [
    {
      "round": "25,570,162",
      "signature": "0x830db92602970ec401c3f960c93e3b1c7ebc852ce0e8bff7328eb3a7f236513d91657097a28858421c3f8974496e11f1",
      "randomness": "0x57b4b63cc2709d70ce64c0817203b4904501893e4d8df2fd6053b8b9d2207417"
    }
  ],
  "blockNumber": "7,412,876"
}

{
  "Sr25519": "0x64080d82b333791345a9dd0444e26668064b97ce47e59d70a87f65b5dcd27833c08d06126843c9288ebdc66e48d34fcbd5e20bb6edf6838ad8cce6a50731898c"
}