{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894731,-0.446605,0.000000,0.000000,0.284565,-0.570099,0.770720,0.000000,-0.343266,0.687702,0.639714,0.000000,-2192404.952098,4392278.165765,4058433.095993,1],    "boundingVolume": {    "region": [2.033697,0.694064,2.033830,0.694189,0.000000,88.955427]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1167363.b3dm"}}}