{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950388,-0.311066,0.000000,0.000000,0.173642,-0.530521,0.829696,0.000000,-0.257549,0.786877,0.560797,0.000000,-1644411.829432,5024102.140972,3556639.774034,1],    "boundingVolume": {    "region": [1.887061,0.595289,1.887161,0.595406,0.000000,8.797394]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/9_1450594.b3dm"}}}