{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948981,-0.315334,0.000000,0.000000,0.175961,-0.529546,0.829830,0.000000,-0.261125,0.785840,0.560597,0.000000,-1667243.783313,5017476.293901,3555371.942007,1],    "boundingVolume": {    "region": [1.891558,0.595012,1.891653,0.595202,0.000000,8.815090]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/29_1075131.b3dm"}}}