{
  "manageEntity": {
    "action": "Update",
    "entityId": "762976871",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2c916c75535cacb65142c2d536fbabf4f4e0494a4b0bc1d73a7d26b0db4fefa6",
    "signature": "0xfd75f10e7b1c59b3323ba5a870e12cb7045027445132bb226d37dbac08b670ce5be3cc23923b0280fa6d6ebcbf4f7e3243e143ccd589c5f1910a62f7ba0048591c",
    "signer": "0x588BA93B160cE0AdDd4F2509e4c162B06c858482",
    "userId": "762976871"
  }
}