Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,552,728",
      "signature": "0x81e710b344bf48812d4a71027536a0d411bbf3eec398974f321dac13f3328a7af74557f8d23262e41a0ed5c9e0b58cf5",
      "randomness": "0x65f6db109970a35a04a7306d424905788135a4fe8a34772db0e52660713ee843"
    }
  ],
  "blockNumber": "7,408,517"
}

{
  "Sr25519": "0xf6e3fd677040c3677e809c1bfcf669e97f1d6b08f92bdd0c9fef140534503d2d227c6aaaba3dc94e5b05809e55632a07a331a36827d7055d0b1eea24c4ad4a86"
}