{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949089,-0.315008,0.000000,0.000000,0.115988,-0.349461,0.929744,0.000000,-0.292609,0.881602,0.370349,0.000000,-1867154.611003,5625561.205186,2347400.646664,1],    "boundingVolume": {    "region": [1.891207,0.379327,1.891315,0.379442,0.000000,47.612015]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/16_6907.b3dm"}}}