{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898233,-0.439520,0.000000,0.000000,0.283789,-0.579971,0.763608,0.000000,-0.334679,0.683973,0.648206,0.000000,-2137636.848353,4368618.953310,4112460.109911,1],    "boundingVolume": {    "region": [2.025794,0.705115,2.025927,0.705338,0.000000,12.346116]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1844697.b3dm"}}}