{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897426,-0.441165,0.000000,0.000000,0.286350,-0.582499,0.760722,0.000000,-0.334652,0.680755,0.651598,0.000000,-2137494.838012,4348135.026588,4134040.305812,1],    "boundingVolume": {    "region": [2.027617,0.709576,2.027768,0.709803,0.000000,8.155405]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_1780234.b3dm"}}}