{
  "manageEntity": {
    "action": "Update",
    "entityId": "718637748",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierah2fxxaafh3hwtc5tgqipmmnbawvwgjl4jbsykoemcpqg3dweohua\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1818165763}]}}}",
    "nonce": "0x389774a603593dc2eb4c0af55bad3c5fc6ffdcf9c6bc7c4ca1e937a1d838c3aa",
    "signature": "0xdf04d91bf0cadde62ec0f39155e8ea361fa7400a39edbf8d4e3c5b2b6868f5fb264da92545f2118917f37aa2a1c2582988d3f643ff00e6d1008ed5ff0478ee351c",
    "signer": "0x65E206f484415ee5E20E9B8da531F689983C6e36",
    "userId": "718637748"
  }
}