{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896950,-0.442131,0.000000,0.000000,0.282271,-0.572643,0.769677,0.000000,-0.339364,0.688467,0.640972,0.000000,-2167492.572460,4397188.863418,4066435.052297,1],    "boundingVolume": {    "region": [2.028678,0.695708,2.028861,0.695820,0.000000,44.253801]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_960800.b3dm"}}}