{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898112,-0.439767,0.000000,0.000000,0.284306,-0.580622,0.762921,0.000000,-0.334563,0.683260,0.649018,0.000000,-2136903.696168,4364081.570087,4117620.601543,1],    "boundingVolume": {    "region": [2.026069,0.706181,2.026202,0.706404,0.000000,29.018856]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1821362.b3dm"}}}