{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950047,-0.312107,0.000000,0.000000,0.174047,-0.529795,0.830075,0.000000,-0.258529,0.786957,0.560233,0.000000,-1650671.331622,5024601.081398,3553057.674289,1],    "boundingVolume": {    "region": [1.888125,0.594602,1.888289,0.594733,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1459205.b3dm"}}}