{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948778,-0.315944,0.000000,0.000000,0.176272,-0.529344,0.829893,0.000000,-0.261649,0.785733,0.560503,0.000000,-1670592.806936,5016787.890030,3554775.291005,1],    "boundingVolume": {    "region": [1.892199,0.594882,1.892295,0.595105,0.000000,8.679202]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1075626.b3dm"}}}