Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,555,128",
      "signature": "0x8ef12ba539451b77d3073b335e5eaee0e6723422e06b4d45286f7c5120cbfad5260bbc941847b5154b76907fe12c4303",
      "randomness": "0x80fd4721b1adb879a7af6585aec120675f11192ee589671aa2368ad4e835deaf"
    }
  ],
  "blockNumber": "7,409,117"
}

{
  "Sr25519": "0xb2a2468a300419bdf4843271ea89a2e2ed4a2994e79a294470e11c1751c9134614da4eb092017f8e768abab0ca57728cddc80c74efd7f62108e24c6e48c88887"
}