{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949746,-0.313021,0.000000,0.000000,0.174949,-0.530818,0.829231,0.000000,-0.259020,0.785901,0.561487,0.000000,-1653811.907946,5017882.577780,3561029.221873,1],    "boundingVolume": {    "region": [1.889092,0.596098,1.889245,0.596266,0.000000,19.004798]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1436216.b3dm"}}}