{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949182,-0.314729,0.000000,0.000000,0.116005,-0.349856,0.929593,0.000000,-0.292301,0.881543,0.370731,0.000000,-1865194.892640,5625192.861297,2349823.735680,1],    "boundingVolume": {    "region": [1.890913,0.379738,1.891021,0.379853,0.000000,41.759544]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/20_76406.b3dm"}}}