{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949157,-0.314802,0.000000,0.000000,0.175848,-0.530198,0.829438,0.000000,-0.260560,0.785612,0.561180,0.000000,-1663639.047563,5016029.019119,3559075.757532,1],    "boundingVolume": {    "region": [1.890976,0.595758,1.891113,0.595864,0.000000,14.938601]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1444877.b3dm"}}}