{
  "manageEntity": {
    "action": "Update",
    "entityId": "218692613",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierajubsxnq2o2izyzyyaclgmduq4xulc2srrlbvmeeppmykqpkjfdpq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1744553256},{\"type\":\"playlist\",\"playlist_id\":329385357},{\"type\":\"playlist\",\"playlist_id\":645829250}]}}}",
    "nonce": "0xa5a7056f2b7ab660919ac91c409309c9c514f983d2d0294040cc83324680dd02",
    "signature": "0xc980fc253b224f67664e6b671d8806a5f2b2c1f24a9de97191353d4db98cbf7913869c0ba5b7df5bae82eb48acc7850acd88f6f1d39f62aed8536d1e943dcf551b",
    "signer": "0x6CDDC7B674Dd0fbE8fB2850B79b97aA2A37Aa071",
    "userId": "218692613"
  }
}