{
  "manageEntity": {
    "action": "Update",
    "entityId": "536024564",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xedc30f853e57334f5dcc7ca1cb1832686118ee70e53f6c21b7446824a57ac710",
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    "signer": "0x5c49999947248598b51CddD1B8cAE17c4A6FD94e",
    "userId": "536024564"
  }
}