{
  "manageEntity": {
    "action": "Create",
    "entityId": "1574022077",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1574022077,\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x65ea2ab020a732f2e51d7a8ca572ed2f045a168a6b7f555ab52d810a0df697fe",
    "signature": "0xab5c5b3b0a36b8ab3e10e1a58d19c033abac2f800a5ed16c7c5b23a2dde9898e087f519065e0d0f6637f544ac1aa676e2f5075440c4d505bc19fdb74750c1c4b1b",
    "signer": "0xaAB195cac4029fce09bd166F1546E1a76049c50c",
    "userId": "844451279"
  }
}