{
  "manageEntity": {
    "action": "Update",
    "entityId": "696506538",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x92dd13d1b1dc02bfec94392c214c1d67b6f68e61f97a12f8f8e4dad619424c73",
    "signature": "0x7ac6f366338b39343d0daadacdc4823ed046d3e3bf7aa286545b760a72f7ab7b69f43dfa9776522a6b3cb31b09f5b07ffb67d06148efc3d8e31872a48f0cfa131b",
    "signer": "0xA317DacF9911eb60f0f24B6d0C1891BbdC17525a",
    "userId": "696506538"
  }
}