{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950040,-0.312128,0.000000,0.000000,0.174061,-0.529798,0.830070,0.000000,-0.258545,0.786947,0.560240,0.000000,-1650771.202759,5024534.990866,3553104.421759,1],    "boundingVolume": {    "region": [1.888147,0.594611,1.888311,0.594742,0.000000,10.242729]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1376970.b3dm"}}}