{
  "manageEntity": {
    "action": "Create",
    "entityId": "723047600",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":723047600,\"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": "0xc2c72e12a3f66d0bf54b8dbb0b0170ccc89d070f353c27de90c8e64f3553534a",
    "signature": "0x064e0fa9f26296b3783ca8ea95e5e71328b1340815fd75857b42d5255ba19fe82c90f45a5d4f5871ef976be2f085e3411a2fb6e28c08c6fe8732878fb12ac7b91b",
    "signer": "0x1a14b86421cFD1157bB52D3B0799f0B24a926D3e",
    "userId": "693608897"
  }
}