{
  "manageEntity": {
    "action": "Update",
    "entityId": "328274267",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieracehbfayf2eslw446vmcwfj2zhciabxbvx6s5civaoutrp4exz26q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1890616256}]}}}",
    "nonce": "0x698aefdc171088c87599b1eb0ef68b2b24034ab8c15fa6ff2fc0667f935de006",
    "signature": "0x0057f1c2d4b62af7bbe691201552ebe3dd6a7f6f38784b021bb45c24a8296e646dabf6f16fe6c15795e76b9211ea684fbb13e6637efd667f447eaefaead6e1081c",
    "signer": "0x3A2C2d6B2b96B324aEfe2Fb682DD70531b2De7d0",
    "userId": "328274267"
  }
}