Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,554,213",
      "signature": "0x89743208207fafcb845756075bbba809573cc1f21bd96f25c10dae57b5d75a2fade9867d63afb4e663fde87969244645",
      "randomness": "0xc42ce12d1d031d5a2118351e76a2db810f89fbded04587355eb0d551e4c07a25"
    }
  ],
  "blockNumber": "7,408,889"
}

{
  "Sr25519": "0xb269c9a4bd382e05dc58d27c25eb7213d2bc2e90e1d666021b0b9c2af1698a6b3ceb5681cb229c97548d5d7e2a3cf8fe08655332c99b63c3a5e77207d4c6c586"
}