{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949176,-0.314745,0.000000,0.000000,0.175931,-0.530556,0.829192,0.000000,-0.260434,0.785392,0.561546,0.000000,-1662839.304343,5014631.892612,3561401.838270,1],    "boundingVolume": {    "region": [1.890915,0.596200,1.891052,0.596306,0.000000,10.345982]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1446923.b3dm"}}}