Write Pulse

{
  "public": {
    "Sr25519": "0x6aa461fadcd999ba411fd32da6f94a684be4f49f317aeb5844eb35914d86460d"
  },
  "pulses": [
    {
      "round": "25,604,787",
      "signature": "0x8b04925dca11158f9fc890ed245c1c3625db7a7b057b1b8b5fa708c326fabbea87ad65baa040dcdd3db12b812d93eb08",
      "randomness": "0xd7b013c98e76dd44b631fd6f2003354de1c94dbd9782e88f1bacead084546d9f"
    }
  ],
  "blockNumber": "7,421,513"
}

{
  "Sr25519": "0x66b977b2af84ed1c16ed5d1e0dd56af1493bf0be96a06959b32fb583f5aec025593b8616ace0d93fc73a3a19a6e15424a148f33d488233f80741686cb29ebe8f"
}