Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,622,647",
      "signature": "0xb6aa957bb77d9696a7b5e386f414211316519e811c317a79aa19db70fc1350a5aa832eee23807500c7f2da09c79647f4",
      "randomness": "0xd56955605aca387b3c872895c8d75667e76c15d58c875e338a3c72035d2395a7"
    }
  ],
  "blockNumber": "7,425,976"
}

{
  "Sr25519": "0x0040575ab4f634e8182b8c8697c89684a7f6dbbd41a044634855d81325b36110bde765e8b162e8b2a3629283e25693d1de3186edcd745a7a49473758f2e2b783"
}