{
  "manageEntity": {
    "action": "Update",
    "entityId": "113810626",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xaab1df79a8930f27070239454f8b3822967593ca3e0a6bc149c10992d684a2ce",
    "signature": "0x9afabaa890678c8d0669db75d0dbee06a807fb954553dd93b9c2c1cc3dc05f8e09fa0eddbabb0d57d248e2c0e5fc190ae1609d8d444cea4b4decf69b011a36001b",
    "signer": "0x5B9B4B3CD4CA9a7d10740977cE7702833B1407e1",
    "userId": "113810626"
  }
}