Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,564,694",
      "signature": "0x97c7d94445d38695f210232c81f76714060a254ea03ce5ad59f266d89bc1c1bc46a29b0a385c3edfda7ef1a4384f498a",
      "randomness": "0x550bcc841f0610cccbca1f34fcd9d68f9daacacae5e1a200a31cbc1c14bdd47c"
    }
  ],
  "blockNumber": "7,411,509"
}

{
  "Sr25519": "0x54cf0c2aff9b6fc03bba0e9d01a1200b7ca76e6d89d15a00dbb77cae53a5b365d39738b4dac04b1e74a156ae603ce4ca9d3e04edf7c2816d8e732382cd8eed8f"
}