{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949482,-0.313822,0.000000,0.000000,0.175449,-0.530828,0.829120,0.000000,-0.259647,0.785575,0.561653,0.000000,-1657818.259248,5015806.468354,3562083.936234,1],    "boundingVolume": {    "region": [1.889962,0.596342,1.890061,0.596424,0.000000,15.300928]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1409981.b3dm"}}}