{
  "manageEntity": {
    "action": "Update",
    "entityId": "887781517",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieradziktftj356nntsh4szvjdbhye6wvgjdc3tkp5dfxcdq32jyttbq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":302807856},{\"type\":\"playlist\",\"playlist_id\":104421225},{\"type\":\"playlist\",\"playlist_id\":1675216950},{\"type\":\"playlist\",\"playlist_id\":1596497495}]}}}",
    "nonce": "0xf22b2fdfba8eba121d25748f36c23a5786e956e4ad720b9ab58b2d6cb5d1972f",
    "signature": "0xf14de8e58947603e337e69376f172d3d31180ee5b26901be93a9660a6104775071ab54f586918a8c537207cfa100cda79b87b4c83117204b82de7c3b5b513c401b",
    "signer": "0x2480668A2849AD9Eeef1129d84348cd7073D4Ec7",
    "userId": "887781517"
  }
}