{
  "manageEntity": {
    "action": "Create",
    "entityId": "1938881697",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1938881697,\"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": "0x8f9ead3a05ffcf1169545e3c7cb001ffc20fe281c7a832c3fe4fe0e73be20d56",
    "signature": "0x25dcb009e44e83475d54de2069e8328c56db778685ec4a12dfae39c53b20cfbc542821cd9e48f0e03d53149925035477643dd031f127fcd6b82605cfaac098731c",
    "signer": "0x4859cb73a2827537B204400dA4826114041Ea722",
    "userId": "230937295"
  }
}