{
  "manageEntity": {
    "action": "Update",
    "entityId": "188849346",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3dd884ba2277e3f298f2231ba757ff41b4e580802fc0dc1fb3190de5b89933d6",
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    "signer": "0xD58bB1C9a2bB90B724528eACC81D30D9317667b5",
    "userId": "188849346"
  }
}