{
  "manageEntity": {
    "action": "Update",
    "entityId": "179469744",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieray656x6o24l7jhfbdnia5iro6lu2faryu6zy3yzokwqpe5lfeofla\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":375183545}]}}}",
    "nonce": "0x540f7eee6553cebdecb832f4ad6a0195a42988993e1b8f264138fd4d17326b52",
    "signature": "0x71ae8c484c17005f9e2dfd77fb7e6a26f3adb1d5b534d183ef085b145059a6ce78db71ed0da66bd210dd49868c53f2baca34a428fd7211d00c4a3a0c90d834771c",
    "signer": "0xd14A5CCF48f7bcDef7c2224fc03111185A2aa6B0",
    "userId": "179469744"
  }
}