{
  "manageEntity": {
    "action": "Create",
    "entityId": "1151703123",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1151703123,\"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": "0x26a814b71989f9f4df4c3c73368f18159fb1574d34b601c85427e25177596da3",
    "signature": "0x2268921c0a1db79965dc81df7d77186c63e826f0f2c8e45465b75269a4a7994c0db68b3ed5d5db574a45657fe7ff72ed8f4cfcf3644cd7ad2158ba1db391ad811c",
    "signer": "0x645AAbB3BF848412862B16580BBDb4CEeBBf2EE6",
    "userId": "47150955"
  }
}