{
  "manageEntity": {
    "action": "Update",
    "entityId": "482802618",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd00743944dfb0071baeed935887781653a01fbca5b77961915872736d8eff0c8",
    "signature": "0xcadd71fc17fdd6d2fbbab4fc375e427f6e5f22619c0289c9b95ea2311d2d524b27b3e5cd431320182f8c4bf2f181222dd403a5f29dcfa24f3101e45f8bf580cb1c",
    "signer": "0x67abb320A78FDC0C02a99bD656091ab8e8b2f78B",
    "userId": "482802618"
  }
}