{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950063,-0.312058,0.000000,0.000000,0.174007,-0.529766,0.830102,0.000000,-0.258497,0.786996,0.560193,0.000000,-1650464.079563,5024849.594391,3552804.205619,1],    "boundingVolume": {    "region": [1.888073,0.594553,1.888237,0.594685,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1458713.b3dm"}}}