Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,552,741",
      "signature": "0x89c8bd917e043e4b193a364d7581dc7800938d0b0c449e77f0ddd62c75308660fee84e905f4d9c0e4460fe82ad06607e",
      "randomness": "0x3cb8492f67d8d2b2e5d11c3feb8c345356bf1449a49e13001f1993f868cb56ed"
    }
  ],
  "blockNumber": "7,408,521"
}

{
  "Sr25519": "0x7402921cf6934ab60f91adb6c245cf0f766c10445eb169296cc882d6e2bb4e121e4a1e47b0770b5b5ad97969c96d873edf3a4ee26233aabe5ee5c25a3681ca8f"
}