{
  "manageEntity": {
    "action": "Create",
    "entityId": "215305819",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":215305819,\"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": "0x7504c73b95b7318794acb846a9670dec35b13091d3d5011ee30afbb9e52c3fb7",
    "signature": "0xeee660b991d501f26abc8fadaf1f5946a5e67b4122528906af7ceea3b68278617323b2d86b9222e9ed91428dac4c3800d0859690636895a4b48e97f4e7104b001b",
    "signer": "0x25ec36593ef5abE8663D916865ef8DD80BE4c1D2",
    "userId": "91562943"
  }
}