{
  "manageEntity": {
    "action": "Update",
    "entityId": "771510116",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraiyjdwp2uyvcdzmpilceciqgujhphxidcgfkcx5y2eu2k2yghgm5a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1092092264},{\"type\":\"playlist\",\"playlist_id\":1384992914}]}}}",
    "nonce": "0xe1249e6f352d2eb7397c279c08da14f820e12add15bd735bf509fca02e76a0a8",
    "signature": "0x9738dacf2417f2b74363b317582632f8bd1ce1f748b61c93cbac5c140a7a93c179d616b55348bbbf8477a130b6880b804f3c4a2266a94814d5282ba70268388c1b",
    "signer": "0xC885a472e6d981C76180799a4FB8Ff5aFd08f49d",
    "userId": "771510116"
  }
}