Write Pulse

{
  "public": {
    "Sr25519": "0xfafc4334cf90d3c9fb3c18c2a6636658e7fa1183917132c9ef93fd1efad19361"
  },
  "pulses": [
    {
      "round": "25,602,643",
      "signature": "0xa9df30c3bb34f772a3125decebeb8c519911f43f1eba67f7e81a5b2f777e031a77c6f5778062bf7a4ce712cfc4109795",
      "randomness": "0x3b66d02175d8366b28a90ebedd1166a4ed09d89df1bd966205c951a1d60911c7"
    }
  ],
  "blockNumber": "7,420,977"
}

{
  "Sr25519": "0x642fcb59a8390161d082cd7a3a682154e1955bc245c8dd26348a1586c4157444b8fe0c99ad7f13aed490000067b71e93760f11d29ce736f12f5c61408a539a83"
}