{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943819,-0.330463,0.000000,0.000000,0.183722,-0.524720,0.831213,0.000000,-0.274113,0.782880,0.558535,0.000000,-1750155.645506,4998537.427146,3542265.599893,1],    "boundingVolume": {    "region": [1.907535,0.592528,1.907645,0.592709,0.000000,7.341394]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_1246411.b3dm"}}}