{
  "manageEntity": {
    "action": "Update",
    "entityId": "71499558",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xaccacd92fa5f1c4ea74bb668ef4f8f7796f9488307476cfb0f875f0b19923744",
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    "signer": "0x4666b391677Ae34a5a3d2Db111c8797C75608285",
    "userId": "71499558"
  }
}