Write Pulse

{
  "public": {
    "Sr25519": "0xd478d73632aa403c1d145a6446ab7c757b277866647f17e47014fabfe9c24649"
  },
  "pulses": [
    {
      "round": "25,602,289",
      "signature": "0x913f9bdc8565f2b0fc503111c82051f0f867d1e5d46fc08fdd1f89c24bf4632da187318984f485994514aa02d678fa4e",
      "randomness": "0x87811dc0252903bc7da10d78d1a0c4b2dba36ce7eaaf8006c71edad7c20add63"
    }
  ],
  "blockNumber": "7,420,889"
}

{
  "Sr25519": "0x1473d83abc0249fcc3370a6094e14185772a807658819ccc12c9bd163a883932e7b804d2bd9d6d14322c28473b68ace1607c0d1a9abaefcaca8f0ac69a713b8a"
}