{
  "manageEntity": {
    "action": "Update",
    "entityId": "933290337",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera2cihqza6pjkac4eeedync7o7h6nwqv4eflzf4rfzrxwxeobktiha\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":790820536},{\"type\":\"playlist\",\"playlist_id\":1468630324},{\"type\":\"playlist\",\"playlist_id\":1486299517},{\"type\":\"playlist\",\"playlist_id\":1273557857},{\"type\":\"playlist\",\"playlist_id\":348447339}]}}}",
    "nonce": "0xc544d14d37acbf8712e603fc82ce17a066fe0b923f3707a589dc5cd20c672582",
    "signature": "0xaa29454bbb795501bfca9dc44bb39ec7ba324e17b63f557aa81348473d1406852ae2b943f6ab5c2670343d04a4a3183d612cba16afe434cf2eb4c2d4e46416ac1b",
    "signer": "0xaD6Ea5f8D94c260aCEE3ad53cb05E821c81C0C01",
    "userId": "933290337"
  }
}