Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,557,019",
      "signature": "0x8c1a1e3774eb855420043103e6bc6f924a9d858c87dd918d42a149c37e348550add9d0d696dd41e1661a6708ccd8edde",
      "randomness": "0x359170684a1f72c77010f552dd01d4d555022752abaa2b1eb8a074db5335e11b"
    }
  ],
  "blockNumber": "7,409,590"
}

{
  "Sr25519": "0x643a74537e9018d5990fa43c1eb4ab79d4b94c49093d8f292e160561ebbd2e1778b28a219bc8ec64e3335cefedd4e70f26b68c66f223a60530e75333f63a8b82"
}