Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,605,895",
      "signature": "0xb1c0a436a2028ea5fce5655699e9708d3d34f9c9fb691c525d7b2be0602ad43d434896377311eb6b2b86a8d771a3c5a6",
      "randomness": "0xb82292fce56d683a6266dfd80d407f9fcebf6193706117858cc43854dd00f54f"
    }
  ],
  "blockNumber": "7,421,790"
}

{
  "Sr25519": "0x0a5ab9d112ef887896e12524ab628967ad1e74d3c2bad943b4a88c120038e05b67b3afa3d456e36e4badd8bc6946f6cc23d3a65689878b8cfd1f4ebebe7a4d80"
}