Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,550,053",
      "signature": "0x923eeebc4593702fbcca3c3f9528ecfae02d89207714b35524ad6b779ba4f96930c4999c283634ad885e47871285cf4d",
      "randomness": "0x763dae39cc772912474a84a34a7c4e5fd8129cd37a945db8079ca874298ceece"
    }
  ],
  "blockNumber": "7,407,849"
}

{
  "Sr25519": "0x6ee6397c6796d8cc22bd4d1aa4210b6eb426f417e6021a1ef99f6529c167bb0d7f4bf7ff96a2eed293044f2f9e66048e0149a902c330c4810dc93515b70e4086"
}