{
  "manageEntity": {
    "action": "Create",
    "entityId": "1267334867",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1267334867,\"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": "0xfb8b183063e80a816c099516562691102574d108acc1d5f799d0633c9d3027b4",
    "signature": "0x51db730410895e50b5fd8eca6d424f41dfba23f4001b35ca4261d4802342dca753d2ed58b49fe19106445af9aa7d8d6180fba0c2b490fd6ffda801a867eab5de1b",
    "signer": "0xbB7C53987c1dBEC3d48F730aCC82a87A366c7114",
    "userId": "395503078"
  }
}