{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899069,-0.437808,0.000000,0.000000,0.282770,-0.580687,0.763442,0.000000,-0.333302,0.684459,0.648403,0.000000,-2128844.265209,4371726.833283,4113709.799777,1],    "boundingVolume": {    "region": [2.023873,0.705425,2.024038,0.705544,0.000000,17.353750]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/7_1827801.b3dm"}}}