{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943795,-0.330530,0.000000,0.000000,0.184517,-0.526870,0.829676,0.000000,-0.273657,0.781399,0.560827,0.000000,-1747262.251371,4989125.352351,3556834.628128,1],    "boundingVolume": {    "region": [1.907614,0.595327,1.907710,0.595442,0.000000,8.747778]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/4_1275645.b3dm"}}}