{
  "manageEntity": {
    "action": "Update",
    "entityId": "683048580",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x24f2af93c9883e7d9aeaad0fd7b1a6e9a3b9f723fdaed9e6e22c7d6d76d9f933",
    "signature": "0xe33f16e48c8a25cd4a7d0e7dd3598f4967bbdcf6283285ef3dd2d9a90c23e75858988d84612244cb36526abee41cab7ae9ace0f53e8ae5558a290d32ad41f7851c",
    "signer": "0xbDC8730Cc87A53E5Fab78bFB7d53910f0B788A24",
    "userId": "683048580"
  }
}