{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894796,-0.446475,0.000000,0.000000,0.284507,-0.570190,0.770675,0.000000,-0.343146,0.687711,0.639769,0.000000,-2191637.514665,4392337.957213,4058780.533747,1],    "boundingVolume": {    "region": [2.033551,0.694135,2.033685,0.694260,0.000000,42.256117]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_983203.b3dm"}}}