Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,564,614",
      "signature": "0x89386e3ac5c1651b1c185c69b49b250efbb0a1bdeca61291b3a8acc4dacddec25aadbf4b6e08acd238d9d31acf2e8789",
      "randomness": "0x1661ff14c014d12fc395b837d9039aaed17342f4814ad30fd2e15b43542fa74a"
    }
  ],
  "blockNumber": "7,411,489"
}

{
  "Sr25519": "0xdc4bafa3954ff02b8a20b481bfd4112d2f2e79f02416fd0c33c63b8abcfe6669c5c475135b5e780c1598af4da03529d3318175bc66381f8f8da3afcb6992b68a"
}