Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,558,909",
      "signature": "0xb689a2d0979d32379511f52bd6c41d5fbe2b3b8135956e48e1c39ce178c611206fd4506bc25b034b42fc94610d4f9446",
      "randomness": "0x928f320e447b782962157bb1de22d17cbaa4f80f6afd8778a1439b9d81641444"
    }
  ],
  "blockNumber": "7,410,063"
}

{
  "Sr25519": "0x821f1fd34799599d04b4874b968e4c249d24340163f9f5beb3e3f3f9646150153b8598fc4f4706f312c1dc02eb579f35054997f3ddf65e729dadcb9b34bf6189"
}