Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,554,488",
      "signature": "0x89339cdc9c6bfae98da007f5004a69ec2944125e7d64168990978bdfa0a13cafee26e40b2e9baac5fdc751ff460f9030",
      "randomness": "0x7f8a0aec693988d176c5605cdf03c0847920a91bccd70ac206306670493b526d"
    }
  ],
  "blockNumber": "7,408,957"
}

{
  "Sr25519": "0xca7c2742c6353bced99c6e1c3a07ec4812418fab5769c7bdbdd57f6dee9dc014c204e74323689242ff8507691d0b49bcacab212e2c0924178b2af7c117a56d8b"
}