{
  "manageEntity": {
    "action": "Update",
    "entityId": "33372888",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xdd169c69778e609de56f57bbdbb26496aa7c14e6e65a4754abab3d13ff0dea37",
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    "signer": "0xb01c5940A767EA1A89Fdf69996402FA78af1FB7b",
    "userId": "33372888"
  }
}