Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,557,654",
      "signature": "0x8720e12d06b3d41a9180a88f57ac82631a7c12763d73084d7387c9e7c42b9725475bfff8a4a2f50bac772bfb5d5864fd",
      "randomness": "0x2a8130bdccadef983f60a6d32abe2efc31f10ac3c7343a233255ce587d495c3c"
    }
  ],
  "blockNumber": "7,409,749"
}

{
  "Sr25519": "0xc42b8161a18f473c4fae53eea7c79a65be45f7badf7de17bb5426ba1217a7b48656be1a562a6a4f45ed0de09353d18b60e567003cfb4492da4388148208ca18f"
}