{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897892,-0.440216,0.000000,0.000000,0.282612,-0.576433,0.766717,0.000000,-0.336584,0.686518,0.644518,0.000000,-2149771.734118,4384808.386172,4088995.584342,1],    "boundingVolume": {    "region": [2.026572,0.700359,2.026699,0.700427,0.000000,15.942125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_852703.b3dm"}}}