{
  "manageEntity": {
    "action": "Update",
    "entityId": "165266058",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierankxaxz5kcs5lxygdqappptgxmj3stk5j4bzfg35lmg6ela4lfuya\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1383953314},{\"type\":\"playlist\",\"playlist_id\":838882915},{\"type\":\"playlist\",\"playlist_id\":2043333855},{\"type\":\"playlist\",\"playlist_id\":134627040}]}}}",
    "nonce": "0x8598032e66e55f7a754249a8345ea64b8518ea1ddf0086ce0114209be1fce7eb",
    "signature": "0x5fb7802b1cd84965b5c6cfbb3f0c7dca35c0df1a770c34de8f44bf08615e31410a7e8158c1f22edd8fcc0c0728984896ad3c02a5b986971b6ab08b7c6fa8b6431c",
    "signer": "0x95343aDdAA6276b628e732659EC634be0A86c3a6",
    "userId": "165266058"
  }
}