{
  "manageEntity": {
    "action": "Update",
    "entityId": "273063674",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraorhs4vgxs7rt7ah47yv6tz5rjmj573t54gpwfqhxstsgslwwcrlq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1719647972}]}}}",
    "nonce": "0x20f59f7cc34430bc4c94eb11399fdb40d806ae1e408c9b335cb0bc7ba6dbe955",
    "signature": "0x45640a53ad5d546569dad185dc4f57142f7f00fe72e1f3106ef95cf1bc7b4a2828791153452dc54ff638d9878427dfa727a20add6a061d05b72103ff6c7186401b",
    "signer": "0xC509a4d32A2b9226304C01aa2D034356E0be8fC3",
    "userId": "273063674"
  }
}