{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950328,-0.311250,0.000000,0.000000,0.172422,-0.526449,0.832540,0.000000,-0.258592,0.789549,0.556545,0.000000,-1651047.168806,5041082.123678,3529618.086326,1],    "boundingVolume": {    "region": [1.887219,0.590160,1.887389,0.590283,0.000000,6.387580]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/26/15_1462864.b3dm"}}}