Write Pulse

{
  "public": {
    "Sr25519": "0xec788c8b83cf82b619fc794ddede0b9a52fca4e9d161e06d469f12a3ffed0012"
  },
  "pulses": [
    {
      "round": "25,605,754",
      "signature": "0xa7c266d75bf17e824f0df3453b5b7497f7f84cf974722e0f47475d449f7db507991a1cec631145a195ac45895cc02d44",
      "randomness": "0x99f602d2342578906868bece89c3381feab7b3e080ba6f6d536685e00c8a26cd"
    }
  ],
  "blockNumber": "7,421,755"
}

{
  "Sr25519": "0x8866a635620484e5ee95f216bf2c717b0991a84c9b76a2b4c28c0c5732b0a912441ca20334cfaf6969703f3df928d74c84725a24e6a4e07704106787eecc8b8e"
}