{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951845,-0.306578,0.000000,0.000000,0.112622,-0.349661,0.930083,0.000000,-0.284883,0.884488,0.369489,0.000000,-1817855.563593,5643965.800095,2341947.596612,1],    "boundingVolume": {    "region": [1.882310,0.378399,1.882474,0.378520,0.000000,27.454553]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/11_46006.b3dm"}}}