{
  "manageEntity": {
    "action": "Update",
    "entityId": "84274116",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x908b297b6c4ee4dff34b87173a72f2be864b8221292aff48f26fac75246f46a6",
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    "signer": "0xC9a906712000b00094119072298fe54870c6D589",
    "userId": "84274116"
  }
}