{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950514,-0.310683,0.000000,0.000000,0.173555,-0.530980,0.829421,0.000000,-0.257145,0.786717,0.561206,0.000000,-1641835.357758,5023089.400904,3559242.026199,1],    "boundingVolume": {    "region": [1.886650,0.595785,1.886765,0.595900,0.000000,8.812857]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1343275.b3dm"}}}