{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949980,-0.312312,0.000000,0.000000,0.174134,-0.529674,0.830134,0.000000,-0.258717,0.786958,0.560145,0.000000,-1651870.809683,5024605.591051,3552497.574039,1],    "boundingVolume": {    "region": [1.888340,0.594495,1.888504,0.594626,0.000000,13.708940]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_1460277.b3dm"}}}