{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950527,-0.310643,0.000000,0.000000,0.173316,-0.530324,0.829891,0.000000,-0.257259,0.787178,0.560508,0.000000,-1642560.273660,5026016.265283,3554802.857730,1],    "boundingVolume": {    "region": [1.886575,0.594926,1.886757,0.595072,0.000000,8.794159]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1449377.b3dm"}}}