Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,559,542",
      "signature": "0xa91dc243b025f2618dee99da0dc7c978516120a0b3c8a896a99cc0646eaaab19e80dac239faa25c190bff0ffea07c67c",
      "randomness": "0x9164b6f1c5c6cea8c887041406f108c6f07b494907247210605dee03328ccf4f"
    }
  ],
  "blockNumber": "7,410,221"
}

{
  "Sr25519": "0x1afff9885d40f01902db6c2ea89db9f60f184bdb224d581727df71053011d66190d22c073e523b201d578d7ebc56f1affd02e5b80fadc1bcc2852a12131d9f8c"
}