{
  "manageEntity": {
    "action": "Create",
    "entityId": "1302378912",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1302378912,\"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": "0x4fcee42e3dac83b4349e724e73b47e424d1a91bc8c6b559d5569395f6e16eb79",
    "signature": "0x2530531cb8d35ae81924fc46b0c536cbbc1f5e715523f75866e7497f6cbb9c002ca4f73f35a0621ede5832e188d87d4a964330e7e5903259706e1f186754a7a51c",
    "signer": "0x2a90CB7e03f07D9E02f337b20E83a631Ae7eC65E",
    "userId": "971668317"
  }
}