{
  "manageEntity": {
    "action": "Update",
    "entityId": "348586130",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xac97a08443854670b12e2c77b048e6de8e87f35512f6ce9cdc9b16c2b0cbdff3",
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    "signer": "0xc0062f2200D5e26219F571702546A220CeEe0761",
    "userId": "348586130"
  }
}