{
  "manageEntity": {
    "action": "Update",
    "entityId": "5642",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierazx6cvxuvjuhqpoef64nwb3lpna6456ram5vrx4shgv5u6pgkjzmq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":439053713},{\"type\":\"playlist\",\"playlist_id\":244732348},{\"type\":\"playlist\",\"playlist_id\":536988672},{\"type\":\"playlist\",\"playlist_id\":667944367},{\"type\":\"playlist\",\"playlist_id\":133919134},{\"type\":\"playlist\",\"playlist_id\":890414285},{\"type\":\"playlist\",\"playlist_id\":1428},{\"type\":\"playlist\",\"playlist_id\":867162311}]}}}",
    "nonce": "0xa188f5ff7c85bdd8b33001f2543e6621e8bcf98cf808e2837cadaa2c05d7e4a8",
    "signature": "0xf7d30d4817a33de32503df33e280f6c523d1c03d117ef1301bfc570b08d0a01a6804a6ad288ba9157ae214a3d92aa4d097f96f13e12d465ac74dfe677a4736441c",
    "signer": "0x33c702d534707f8Cada5DdD521C5900827973f1D",
    "userId": "5642"
  }
}