{
  "manageEntity": {
    "action": "Update",
    "entityId": "386938284",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieravxevbt2nmo7ers22dq547t7qmha7pvgbelqqrxgwtntkl2n4rzba\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":34085},{\"type\":\"playlist\",\"playlist_id\":28003320},{\"type\":\"playlist\",\"playlist_id\":1553006586},{\"type\":\"playlist\",\"playlist_id\":1525611458},{\"type\":\"playlist\",\"playlist_id\":1697677350},{\"type\":\"playlist\",\"playlist_id\":1883372774},{\"type\":\"playlist\",\"playlist_id\":970217391}]}}}",
    "nonce": "0x6f3abbd7ffc7e3febc9c9c1aa74599d44fa46a33b2e4db3950c1fba8654434eb",
    "signature": "0x0bf37b92ee2cfefcda463eb0ecac5a659ebdecb631041ace66062062843d3d1349a12f8df61c6abd5a0a108633331946d2d4d418a45fc8ba61e9642ebfd4f9d01b",
    "signer": "0x488e8Cc0aa4A4A170544982D50B2616e42ca6c67",
    "userId": "386938284"
  }
}