Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,656,808",
      "signature": "0xa4ec5c967ca51f69aed7171e2a9ed07d71cf392884f42b19d6196d28689b9543879a15cd6e8e479ac83425a0eb3db008",
      "randomness": "0xf99b485b7c0c8e9d67661fbcf545ed002573b159d79c9eabf7a3ebeb399d813f"
    }
  ],
  "blockNumber": "7,434,507"
}

{
  "Sr25519": "0x904583470f6921ee1ecbc3830b5eaed0776c74b5723776cc258b97142e2a735ec07a85ac26f511e0ce0633d582eaa554a42498b6e51beebb7fcc25f71fcac585"
}