Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,646,270",
      "signature": "0xa1d93dce69d4b1b69bb487f7b1ce1cda04a73d6ae84504e515b96ac538ff6ffc2ddd8f5768c2d9288f41450235e2b6f8",
      "randomness": "0x76d87cdd3bef0176b8fe0b80e96479712ad1eb54268d0350378444ce1c95e466"
    }
  ],
  "blockNumber": "7,431,872"
}

{
  "Sr25519": "0xf6509eded4802e8b2328896d3ad4603aebfa9b206eacf92c4c992b982ba1e14deac772429e7fe08f4e468db256750504223f5fc372eb543a82492f2d14f0a28d"
}