{
  "manageEntity": {
    "action": "Update",
    "entityId": "1415762",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieravvcjc6jhbewvwlzmjpruxg2nxbolhkhe4krt2clztw5gsrz4456a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1087030952},{\"type\":\"playlist\",\"playlist_id\":198813583},{\"type\":\"playlist\",\"playlist_id\":792753297},{\"type\":\"playlist\",\"playlist_id\":1214894220},{\"type\":\"playlist\",\"playlist_id\":1682099105},{\"type\":\"playlist\",\"playlist_id\":142363535}]}}}",
    "nonce": "0x89c4f3bc1070074ccd5571d508e932ef210df37c39eacba73ecd55eb2f4b24ea",
    "signature": "0x67eff89097519d21446ff607a98f572016935fd55083bd5821e81a049d5572cc1002c4aaa3e853cc2680adac2992df9d7c2444fb6cfebaaf7e9e72596415d7851c",
    "signer": "0x803cAa47D9F525D1180159ddCAC9575061b200B3",
    "userId": "1415762"
  }
}