{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895749,-0.444561,0.000000,0.000000,0.284047,-0.572328,0.769259,0.000000,-0.341042,0.687168,0.641475,0.000000,-2178215.751960,4388899.626982,4069637.403303,1],    "boundingVolume": {    "region": [2.031420,0.696361,2.031541,0.696479,0.000000,40.388723]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_657786.b3dm"}}}