{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948859,-0.315699,0.000000,0.000000,0.176364,-0.530075,0.829407,0.000000,-0.261292,0.785335,0.561227,0.000000,-1668318.291163,5014262.990862,3559371.963773,1],    "boundingVolume": {    "region": [1.891921,0.595814,1.892059,0.595920,0.000000,8.521754]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_1069276.b3dm"}}}