{
  "manageEntity": {
    "action": "Update",
    "entityId": "586123267",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0d5b45fa54994ec94a1f74306bdff738066d893b26196a8063483ec90a2e7853",
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    "signer": "0x522f0E676f4b46A9f5E9f60Bb11212996Ae5bdBD",
    "userId": "586123267"
  }
}