{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893975,-0.448116,0.000000,0.000000,0.288752,-0.576050,0.764715,0.000000,-0.341723,0.681725,0.646898,0.000000,-2182614.692918,4354236.840964,4104135.309310,1],    "boundingVolume": {    "region": [2.035371,0.703428,2.035536,0.703591,0.000000,51.820974]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_1869994.b3dm"}}}