Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,552,488",
      "signature": "0x823b603781ade387568d7e45b26dcb62d0ba52e469830b47c435df7f915440b7c99444a60e4d752dd5d6853af6c19c6f",
      "randomness": "0x7f50e6ee94f4b0683f8f27596ea8d20bb482f277aa1279e737813c55cb783aa3"
    }
  ],
  "blockNumber": "7,408,457"
}

{
  "Sr25519": "0xc6b80bfeb4c6d296337bc32d14014146e435cacd6cd82797632b92426e46c15f1ebecf8da0f12401460d649e233b5c9780f050ccc62b462b09054ea6dce26289"
}