Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,548,486",
      "signature": "0xb9078f13255b6404ebd9e3b3b0d4a345c17461da566122127d81d240ae3f7ac9f8f360c59b24c41492577aaedb77765d",
      "randomness": "0x58a38b44a66b839da517393e5a88517d8356c18121aa916a797dd65fa0b147c8"
    }
  ],
  "blockNumber": "7,407,457"
}

{
  "Sr25519": "0x2221c42726cfc64a9f40f10699980550802a669dd1a1238817a7d4c26629ec18989a88965b5996a41702030fc82ab055535533972d2ddc561bbeb54f1b914481"
}