{
  "manageEntity": {
    "action": "Create",
    "entityId": "148991981",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":148991981,\"description\":\"\",\"playlist_name\":\"543395\",\"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\":[{\"timestamp\":1786240836,\"metadata_timestamp\":1786240836,\"track_id\":1826694320}]}}",
    "nonce": "0xf1b0b2d88ea21469d9a1238d1a5642cad9492ca881be370b1b83cbef976fb387",
    "signature": "0xae0f2c11ed4a84a236cd076fe934fd069f4a3d1f423812b33c4619177ef6d17b5e0681a94a7996573b55a19587642b5b9db43fd26ef660e1a5fea82f76c33eab1c",
    "signer": "0x5A844c4357CB1A8239DD72D5162046f958b59DA9",
    "userId": "425407904"
  }
}