{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897625,-0.440761,0.000000,0.000000,0.283175,-0.576695,0.766313,0.000000,-0.336822,0.685949,0.645000,0.000000,-2151293.182699,4381182.506336,4092060.177862,1],    "boundingVolume": {    "region": [2.027179,0.700989,2.027306,0.701058,0.000000,16.084312]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_861774.b3dm"}}}