{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949182,-0.314729,0.000000,0.000000,0.175940,-0.530613,0.829153,0.000000,-0.260408,0.785359,0.561603,0.000000,-1662677.035882,5014425.321385,3561765.982402,1],    "boundingVolume": {    "region": [1.890898,0.596269,1.891036,0.596376,0.000000,10.345982]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1415817.b3dm"}}}