Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,550,409",
      "signature": "0x9386333cf3f86e8f05833809240bccb22ee153fa582a50bb16ef2f0a0671b05e639cbfe131735a41d15d4f987c3c2106",
      "randomness": "0xf5649934e1d537e90f6bb3426412e094c10fc598b3da0974594a06a0649ef163"
    }
  ],
  "blockNumber": "7,407,938"
}

{
  "Sr25519": "0xb4ecf877500127ba988ff8f9361cd6c0f97e0a3d4b28ea14d8fa05d47fe72e5d371a4369b707ea6b6d053e174257e6d7e856393d0c1253a81c3cde0a6919e286"
}