{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892472,-0.451102,0.000000,0.000000,0.291008,-0.575738,0.764094,0.000000,-0.343718,0.680022,0.647633,0.000000,-2195367.218934,4343374.038213,4108809.803556,1],    "boundingVolume": {    "region": [2.038744,0.704439,2.038848,0.704508,0.000000,45.457937]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1978654.b3dm"}}}