{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949555,-0.313600,0.000000,0.000000,0.115010,-0.348242,0.930323,0.000000,-0.291484,0.882590,0.368878,0.000000,-1859973.536842,5631847.655755,2338071.858855,1],    "boundingVolume": {    "region": [1.889694,0.377677,1.889863,0.377927,0.000000,28.757364]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/10_15377.b3dm"}}}