{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898457,-0.439061,0.000000,0.000000,0.283963,-0.581079,0.762700,0.000000,-0.333929,0.683324,0.649277,0.000000,-2132853.568761,4364494.690848,4119271.160827,1],    "boundingVolume": {    "region": [2.025299,0.706596,2.025400,0.706671,0.000000,10.404228]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1819478.b3dm"}}}