{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949828,-0.312772,0.000000,0.000000,0.115140,-0.349657,0.929776,0.000000,-0.290542,0.882319,0.370269,0.000000,-1853965.356022,5630134.828386,2346892.701734,1],    "boundingVolume": {    "region": [1.888837,0.379208,1.888976,0.379389,0.000000,6.005166]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_5457.b3dm"}}}