{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897631,-0.440748,0.000000,0.000000,0.282967,-0.576293,0.766691,0.000000,-0.336980,0.686296,0.644549,0.000000,-2152296.535638,4383387.250077,4089189.787197,1],    "boundingVolume": {    "region": [2.027165,0.700398,2.027291,0.700467,0.000000,13.888175]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/4_855180.b3dm"}}}