{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950438,-0.310915,0.000000,0.000000,0.174038,-0.532018,0.828654,0.000000,-0.257097,0.785921,0.562343,0.000000,-1641535.877024,5018023.595307,3566469.729686,1],    "boundingVolume": {    "region": [1.886903,0.597168,1.887001,0.597266,0.000000,8.530481]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/13_1384821.b3dm"}}}