Write Pulse

{
  "public": {
    "Sr25519": "0xdafb18cfc59962b92ea75a32675f6c9360b3fbc8de74df96e4223788aa2df10b"
  },
  "pulses": [
    {
      "round": "25,557,751",
      "signature": "0xa7fd05821afe3b72bc997da614e33725683b872a7eb9403e444ee49535924dfd2bd7c40c22636178e4b040631f2aff7c",
      "randomness": "0xb4f4542a7493c46d4a103a3b901b87d1c720dd2e0388a9be82baba103fa5e9e4"
    }
  ],
  "blockNumber": "7,409,773"
}

{
  "Sr25519": "0x7eb3cba3da86ed74ba11936407efef2724d2ff1ba7226f84ed377121b44705019ec88f340bb8752050b9dff02fc04058a1883e6b758e8943a0ba1a48f83e1089"
}