Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,589,852",
      "signature": "0xafaa9c6e55b61043a5a25790a4afb1a39c56cbb6dda9099fdbae23a876d3a1de67ca2a40f9866fb7a56bc6cefb550660",
      "randomness": "0xf212c54f01941aa9c4f4284d5c4c5cd4b5348a004eca94f3c98da50afbff12ab"
    }
  ],
  "blockNumber": "7,417,785"
}

{
  "Sr25519": "0x601e18dd37ec40176587adc4e301d93006bb54fd7ad0d1ab18110218de5f9049dcf62d890f940fb98ad3e64204012db7816225362ab5de42f9ecd903a5fe478d"
}