{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897994,-0.440008,0.000000,0.000000,0.284421,-0.580462,0.762999,0.000000,-0.334782,0.683241,0.648925,0.000000,-2138298.985448,4363959.215406,4117029.872898,1],    "boundingVolume": {    "region": [2.026338,0.706059,2.026471,0.706282,0.000000,9.329967]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1820492.b3dm"}}}