{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949378,-0.314137,0.000000,0.000000,0.175149,-0.529332,0.830139,0.000000,-0.260231,0.786464,0.560138,0.000000,-1661532.312975,5021451.075474,3552452.555107,1],    "boundingVolume": {    "region": [1.890262,0.594419,1.890424,0.594685,0.000000,8.817751]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1381348.b3dm"}}}