Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,552,696",
      "signature": "0xa09d30352bd5adfeddd0f3f588c71d12ea9945ac4304c53828db56dfbf2903524b21ab0d7f311ee06bf93255ded5868c",
      "randomness": "0x9de3fc2b060e35368f6c06c5499d53eb9a9355eae0afd1a5b44fbd32cc1aa0ce"
    }
  ],
  "blockNumber": "7,408,509"
}

{
  "Sr25519": "0x9c7a528e9a56fda9e78802310bf6299fb8e6342359713ee4f55dc3006be2776eca20621dbde56b47f3d0fe1b5735bcdb043c46b3e84521d6245efece91e62083"
}