{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896521,-0.443000,0.000000,0.000000,0.283446,-0.573624,0.768514,0.000000,-0.339513,0.687089,0.642370,0.000000,-2168458.237356,4388415.813520,4075327.662588,1],    "boundingVolume": {    "region": [2.029655,0.697512,2.029823,0.697661,0.000000,44.365953]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_508540.b3dm"}}}