Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,554,935",
      "signature": "0xaf191dedecf6b2ab00af9105d99038b3e23d6dc117a0c5682c80407e12fd24818904896baf34788bb672ca43b4345c4e",
      "randomness": "0xddc32f527b07dda323739171220bb8b856fe4208279a712e485526088a9ddab4"
    }
  ],
  "blockNumber": "7,409,069"
}

{
  "Sr25519": "0xa0a77942bb9f7822054ae2f5a3c7c23644d454e684fbdee7c5c2247d4c22d0789ab18f6c9c58d0ab36d0d2c64de96267fdaf7344c3d79b9e585c124a362ae18c"
}