{
  "manageEntity": {
    "action": "Update",
    "entityId": "791695051",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieray43ddgdgx5vjszfsnu57kdojs6rmcaiximbydceheankm4lpieia\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1398028091}]}}}",
    "nonce": "0x76835b2c31bb1b1b7dfc3e944b357ab58cfc39949935841f40d1127be4a9969a",
    "signature": "0x69b1725145a7bee99813c2d0962777692f0dda587bdc24f43c339f702dbf7de5571937935d8214a128e3b0f42ac5696df20c9f1c43183044f4ea771c61b3c4f71b",
    "signer": "0x95294e8499c78AEbbC09c6DD136fA881446EDF2B",
    "userId": "791695051"
  }
}