{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948983,-0.315328,0.000000,0.000000,0.176195,-0.530260,0.829325,0.000000,-0.260959,0.785358,0.561349,0.000000,-1666191.638492,5014415.038526,3560148.595152,1],    "boundingVolume": {    "region": [1.891530,0.595962,1.891668,0.596068,0.000000,8.735379]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_1068714.b3dm"}}}