{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950047,-0.312106,0.000000,0.000000,0.174030,-0.529744,0.830112,0.000000,-0.258540,0.786992,0.560179,0.000000,-1650737.909434,5024825.402325,3552711.823678,1],    "boundingVolume": {    "region": [1.888124,0.594536,1.888287,0.594667,0.000000,13.958589]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1458557.b3dm"}}}