{
  "manageEntity": {
    "action": "Create",
    "entityId": "66399984",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":66399984,\"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": "0xc8e150fae971d7761cd26f6893c6f63c0ff5d442f5c3ade7882f1ebd237d42a4",
    "signature": "0x3e441685f83e5ef2ff304e8e4150bd161d63faf2f48fa832c2d1b26954db32ec0c7c889f523361182847eaa90918790002eb79e7f0808f6bceab170f31223ec31c",
    "signer": "0xA057bBa0eb386F1B2D4740a96749971CDF62f66B",
    "userId": "156660389"
  }
}