{
  "manageEntity": {
    "action": "Update",
    "entityId": "895453800",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x441ce89ae46d17673d8fe6fe568df883dda2857e2fa701ff39667d1e354f60ed",
    "signature": "0xbebb8c3451f2d55a384377e82f38b03b0dc639236e865311de573957c6e142b93ff3f52403babb3af8a801a35accf98e157e1bda970d718c798aa9334236b1b51c",
    "signer": "0xf6f1d1A070907cb694f79ec25e81a884c9d42B26",
    "userId": "895453800"
  }
}