{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949130,-0.314885,0.000000,0.000000,0.116134,-0.350053,0.929503,0.000000,-0.292417,0.881409,0.370959,0.000000,-1865938.102157,5624337.281817,2351271.480170,1],    "boundingVolume": {    "region": [1.891077,0.379984,1.891186,0.380099,0.000000,80.555630]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/22_2213.b3dm"}}}