Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,577,816",
      "signature": "0xa5c5ff4e61a7b8af7870dd579db8d70241ab0b496c70c3d156285f836e479f92eb1adf0990af1079c54edb2d4dcabf28",
      "randomness": "0x37a6547ac156ae1fd1067378fc21e20f3337b3c126ca860da2616ec33be7dc0b"
    }
  ],
  "blockNumber": "7,414,789"
}

{
  "Sr25519": "0x98bb64f931ad07483639886a9bf1b8ee8df8e88b83849fa20410e30ad116b712874eb10566ffb5bb6d857036e8fb1bd0dab957632124f352019cc30c776f4687"
}