{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898803,-0.438352,0.000000,0.000000,0.283073,-0.580417,0.763535,0.000000,-0.333757,0.684341,0.648292,0.000000,-2131750.614178,4370975.454366,4113007.846151,1],    "boundingVolume": {    "region": [2.024478,0.705280,2.024643,0.705399,0.000000,9.341723]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1843464.b3dm"}}}