Write Pulse

{
  "public": {
    "Sr25519": "0xfafc4334cf90d3c9fb3c18c2a6636658e7fa1183917132c9ef93fd1efad19361"
  },
  "pulses": [
    {
      "round": "25,664,881",
      "signature": "0xb942928aa2aa6af88569e4f489acb68f0c84073c124982ed0221ca7cbf6004c4add685398cf4e1c11c2c3243d0b67907",
      "randomness": "0xa9971799858553289379c6de1fcf416d25021d91b386f517facb75853c680015"
    }
  ],
  "blockNumber": "7,436,514"
}

{
  "Sr25519": "0xe837e769b5918a75cdb88f3f47e3f843ac350086734500a4f67aa3cab7ac781552d86132c34d4b76597e599024d16ecbd766a2503cc1ba5d324a79b3c608208f"
}