{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950033,-0.312149,0.000000,0.000000,0.174075,-0.529803,0.830064,0.000000,-0.258560,0.786935,0.560249,0.000000,-1650867.569232,5024462.636768,3553161.579966,1],    "boundingVolume": {    "region": [1.888168,0.594621,1.888332,0.594753,0.000000,18.972007]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_1461237.b3dm"}}}