{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898677,-0.438610,0.000000,0.000000,0.283622,-0.581119,0.762797,0.000000,-0.333628,0.683578,0.649163,0.000000,-2130935.981039,4366119.609218,4118546.441027,1],    "boundingVolume": {    "region": [2.024797,0.706446,2.024898,0.706521,0.000000,17.082621]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/5_1818545.b3dm"}}}