{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950041,-0.312126,0.000000,0.000000,0.174055,-0.529783,0.830081,0.000000,-0.258547,0.786958,0.560224,0.000000,-1650782.362078,5024607.123940,3552997.947165,1],    "boundingVolume": {    "region": [1.888144,0.594590,1.888308,0.594721,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1459048.b3dm"}}}