{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895010,-0.446045,0.000000,0.000000,0.284081,-0.570021,0.770957,0.000000,-0.342942,0.688129,0.639428,0.000000,-2190332.753529,4395001.911724,4056615.116889,1],    "boundingVolume": {    "region": [2.033072,0.693692,2.033205,0.693817,0.000000,49.266607]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/6_978750.b3dm"}}}