{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949105,-0.314959,0.000000,0.000000,0.175970,-0.530274,0.829364,0.000000,-0.260666,0.785497,0.561291,0.000000,-1664318.804943,5015300.838219,3559779.334577,1],    "boundingVolume": {    "region": [1.891141,0.595891,1.891278,0.595998,0.000000,10.321140]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/8_1361532.b3dm"}}}