{
  "manageEntity": {
    "action": "Create",
    "entityId": "372516458",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"cover_art_cid\":\"\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"parental_warning_type\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[],\"playlist_image_sizes_multihash\":\"\"}}",
    "nonce": "0xeaa43fcd6fbd1cc62795e0ac539ac550665ad185fe4ae857b3c12c839f748fbc",
    "signature": "0x7721546c9d9eda7c874664e3719777df24d10cec633a90627f08c4e7fd8eddfd759458cf0e834a0e3d8873d12c79f9659ff7141246d4b7773bae688a02658f371b",
    "signer": "0x983304b7af9fB2F3017C4B02e79ee38278Eb16dE",
    "userId": "891036914"
  }
}