{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950518,-0.310669,0.000000,0.000000,0.173900,-0.532062,0.828655,0.000000,-0.256894,0.785988,0.562342,0.000000,-1640239.216085,5018454.168658,3566460.526195,1],    "boundingVolume": {    "region": [1.886644,0.597166,1.886742,0.597265,0.000000,11.234546]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1384802.b3dm"}}}