{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948982,-0.315330,0.000000,0.000000,0.175966,-0.529567,0.829816,0.000000,-0.261117,0.785828,0.560618,0.000000,-1667195.675014,5017397.768330,3555504.423486,1],    "boundingVolume": {    "region": [1.891554,0.595037,1.891649,0.595227,0.000000,8.815090]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/29_1074762.b3dm"}}}