Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,658,972",
      "signature": "0x883e6824efa77387111a9a46ddb6a2438d137a3710f9a717151084fe68ca156495d58bd0d5305522c3b8a35b7d5ffc5c",
      "randomness": "0x96d85a8d99531d678d6c29e46d361810c791ec1f7f537bfd74506e8d39927d6d"
    }
  ],
  "blockNumber": "7,435,047"
}

{
  "Sr25519": "0xa20f6ce3b9a1a0e5300b38384169580e0b4bce3d5a8566d9aa288fe5ee8c05759ad2c7bd046773a7f82a89afa0f1870e1f2cffea67b3b8cada2003b8b5cd9f86"
}