Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,558,167",
      "signature": "0x812a9f0e59ba41a71f16dd90dd5d94e938bee7f7421d8ad68bc0f94b046714b6c553061e6a4088cfc53dbd67784a4c64",
      "randomness": "0x9231024fbbad4a407f4e69b497557477a0c65aaaaf62ced8620154cd2c3931f3"
    }
  ],
  "blockNumber": "7,409,877"
}

{
  "Sr25519": "0x7892879d5484a07909e0816e3162872445e4acde616af89f0d006fa52f5caa4bc38dc8751b8812629b67ce54540e4a9c243df50fb1a1fa83e5b94434e45a6383"
}