{
  "manageEntity": {
    "action": "Update",
    "entityId": "1640466",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierahynu3zxpekc6f5u4k4la62s43wwmu5rlgibknsiekififdp7yuoq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1746194365},{\"type\":\"playlist\",\"playlist_id\":467531450}]}}}",
    "nonce": "0xda158246fd3cd98973c7ed4d9f0c5461f88eafe0c7b3308028e3150f84858b65",
    "signature": "0x1dc45e6910a623c39dbed62e3d80614080eeb19e80d7bef7c764b934fd07eb3518ff2e74a7da3d413288093b5120e6bc885030ad929c7acdf2b20b03308e60431b",
    "signer": "0x635a32c502d056dd6e3f4aC1eb15Fb0d90a88171",
    "userId": "1640466"
  }
}