{
  "manageEntity": {
    "action": "Update",
    "entityId": "219894195",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierao7czu277xmh45csjregxpnupvnh7p5trf4hye7kprjpsluzx4gra\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1394404382},{\"type\":\"playlist\",\"playlist_id\":1712241635},{\"type\":\"playlist\",\"playlist_id\":1591876389},{\"type\":\"playlist\",\"playlist_id\":272796121},{\"type\":\"playlist\",\"playlist_id\":1745179013},{\"type\":\"playlist\",\"playlist_id\":1275039475},{\"type\":\"playlist\",\"playlist_id\":551724326},{\"type\":\"playlist\",\"playlist_id\":369511018}]}}}",
    "nonce": "0x953c86a5e57081506be33fbd62a6c80204cadc2a137954b5eb80a4219b7b67ab",
    "signature": "0x2ec8eba0d87bf645394a7b9ead937e67581aa07df6d7703c30026431d9c7df75345299675388d4971f3ae35eb2d16b7cda43a2d9e92adb91ea91c1ea485e9b851c",
    "signer": "0xaF260D56498a2d61b204aBc5CAdCbEc98465d11b",
    "userId": "219894195"
  }
}