{
  "manageEntity": {
    "action": "Update",
    "entityId": "99486212",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc75a9e39e505b01924d0663e42a7c2a1a5dd435fa05df83868bed5bc2f9e9085",
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    "signer": "0xBaeE5c2cFC8504e132747a637F2acB4698126016",
    "userId": "99486212"
  }
}