Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,546,536",
      "signature": "0x986f9e37288cb91b3ca1f1ac8727a0801df3cf1ddff15cb802d217ec0ed2d47efc98212287f91af46fa75dbd9800eefc",
      "randomness": "0xd5995e8619771e760dffbffa467a90a30002a3f2eed7a9e26c2fea2046a388ce"
    }
  ],
  "blockNumber": "7,406,969"
}

{
  "Sr25519": "0xca8d9b83706ff13ce25754431207e5be16c99d45e8b0672371efedb115f0c57a108d79204e04a4a3a1c1af7b1d9fa75728a697e9c6abcff2fcff6356838b3e8b"
}