Write Pulse

{
  "public": {
    "Sr25519": "0xdafb18cfc59962b92ea75a32675f6c9360b3fbc8de74df96e4223788aa2df10b"
  },
  "pulses": [
    {
      "round": "25,574,230",
      "signature": "0xb389a5ac0eab6176899e867cc295333905237d6d78e9238f94a62bb3a7671921ffcb1b35aa80940c95e3a80fd6af3786",
      "randomness": "0xfaff3c0ab5cba12dad2ba5e7da20a813583044370435c467eeabc10c60aec1d6"
    }
  ],
  "blockNumber": "7,413,893"
}

{
  "Sr25519": "0x222699aa9c459893395c1dab08b739618b2b88f18a70671da82b94610f89af5d9605d05a1a0bd491073f6db14fa6a4bce3e4fb50acd49712781075045af8ff8f"
}