{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950131,-0.311850,0.000000,0.000000,0.114739,-0.349581,0.929854,0.000000,-0.289710,0.882675,0.370070,0.000000,-1848658.282218,5632407.614058,2345633.798872,1],    "boundingVolume": {    "region": [1.887862,0.379045,1.888010,0.379124,0.000000,6.361314]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/28/15_4832.b3dm"}}}