{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950891,-0.309525,0.000000,0.000000,0.172950,-0.531317,0.829331,0.000000,-0.256159,0.786944,0.561339,0.000000,-1635541.856278,5024539.605162,3560086.843062,1],    "boundingVolume": {    "region": [1.885417,0.595893,1.885563,0.596113,0.000000,8.818891]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1422519.b3dm"}}}