Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,552,374",
      "signature": "0xb3ad1e41dec1775603a6082af1cf4009f74ba865445d61b9344541d66fa9d8e3133f4add3418944043a880cb3b0d6997",
      "randomness": "0xe6c4d37ba9edd5231c89bba8b0f3c6f406693d809173bdf465fe564973b69a7a"
    }
  ],
  "blockNumber": "7,408,429"
}

{
  "Sr25519": "0x3a76cdd6fd88da0f6843eb300ec5a906fdc06a5054c9ba0c383902416f248f39f31e5a1e8573a98283d66718e50222cb85c5c2995772c86e69d810cdbfd8ca8a"
}