{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897731,-0.440544,0.000000,0.000000,0.282886,-0.576458,0.766597,0.000000,-0.336782,0.686287,0.644661,0.000000,-2151038.861897,4383336.418736,4089901.186767,1],    "boundingVolume": {    "region": [2.026938,0.700545,2.027065,0.700614,0.000000,50.720461]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_857855.b3dm"}}}