Write Pulse

{
  "public": {
    "Sr25519": "0xd478d73632aa403c1d145a6446ab7c757b277866647f17e47014fabfe9c24649"
  },
  "pulses": [
    {
      "round": "25,589,570",
      "signature": "0x88b78496cd6506c7710e3b4f09906f695cc4860a8bf25c4b390b52005f690832b14fc0fcc1b3097ed0b306e4c5a1485e",
      "randomness": "0x3b427cc8dce56a895003e61227f7f4d84aed66e84e3c49a2fa59b87e6b15ce52"
    }
  ],
  "blockNumber": "7,417,715"
}

{
  "Sr25519": "0xb8c921758e0472c1ec2eaef774a10247464337fcf149edde5676a9793fd609487d9a4674821c0f98797dca0fea92364c8ea8a56fef33f2409cd3fcce20ac488e"
}