{
  "manageEntity": {
    "action": "Update",
    "entityId": "489026160",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7nxthtanbeg6agp6q6otocaxkey5agbhiw3oa3pwnkfsnzqqlotq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":981899711},{\"type\":\"playlist\",\"playlist_id\":954706252},{\"type\":\"playlist\",\"playlist_id\":16773419}]}}}",
    "nonce": "0xd8ed9dd463b05664e2ff9493bcd3efb129898f20c1ca7e0e43e498859e6bd693",
    "signature": "0x3a6e96f17b4d7c5669e4436e80aefdfaa515b5f77fc5f66c044bc5e937a6a35d5523858d5cf447029539ec89a081d761652b8c2e7e9aa2f9391ab2388e0c8b651b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}