Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,578,933",
      "signature": "0x838eac9d0944b67653f8b658b55a020b53ca5c22b25442d79d83c9e399e45eaf1299bd22ec818e5067138a039e0ec12a",
      "randomness": "0xd69dca61195d824a57605479a88ab17c396cb4bce8bfbe4ce0b173ae1a47666d"
    }
  ],
  "blockNumber": "7,415,069"
}

{
  "Sr25519": "0xc0f28c052a0eb8960b8d0841a7e5be8d9371a1828bd29eb70bccab9993ef8c481ae8194c67699e101da4f3a0d2124fe00b172e1b3d24f3ccc4d240b5ba34ff88"
}