{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949103,-0.314967,0.000000,0.000000,0.116026,-0.349626,0.929677,0.000000,-0.292549,0.881550,0.370519,0.000000,-1866778.348174,5625233.828096,2348476.937587,1],    "boundingVolume": {    "region": [1.891164,0.379510,1.891273,0.379625,0.000000,35.070610]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/18_7548.b3dm"}}}