{
  "manageEntity": {
    "action": "Create",
    "entityId": "156265911",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":156265911,\"description\":\"\",\"playlist_name\":\"My 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": "0x4b6d5e316d3ad155551ac3b5cf34ec215a9f6901ada1c19500a847183184df47",
    "signature": "0x293a5eef33170131467a8535d0924a6520e0dda1054106ca679f16f0894ce41f6e251180e61d8a7c385b4b5b9552c3539bbcb423dd911a63d28ec3e2eb45f9661b",
    "signer": "0xF03c7f3052Ab5b794B91D356914e378db5DA837A",
    "userId": "887063074"
  }
}