Write Pulse

{
  "public": {
    "Sr25519": "0xec788c8b83cf82b619fc794ddede0b9a52fca4e9d161e06d469f12a3ffed0012"
  },
  "pulses": [
    {
      "round": "25,657,914",
      "signature": "0x8575039e9083864cc6d20976d1be2e32a763c478da55595bd3c53698b3125b14038f5fbe580a33d13a58056d3b6e7351",
      "randomness": "0x6f518a98b006894250d6cfab2470c25b2fa8a2510f714e16bf41b186a94a86a1"
    }
  ],
  "blockNumber": "7,434,783"
}

{
  "Sr25519": "0x803e2ae1ffb673b03538de737e1f8976f419400ae9a8e8005144fa05e718e14935b7043d63da4355bcb2359e8e1e92a107c6eaab013afdd76fccb640268aff86"
}