{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898338,-0.439304,0.000000,0.000000,0.284096,-0.580951,0.762749,0.000000,-0.334135,0.683277,0.649220,0.000000,-2134171.700106,4364194.478994,4118908.952968,1],    "boundingVolume": {    "region": [2.025570,0.706521,2.025671,0.706596,0.000000,43.122198]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1819062.b3dm"}}}