{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942942,-0.332957,0.000000,0.000000,0.186466,-0.528077,0.828471,0.000000,-0.275262,0.779549,0.562614,0.000000,-1757521.372059,4977345.949048,3568188.678821,1],    "boundingVolume": {    "region": [1.910171,0.597504,1.910296,0.597584,0.000000,7.066452]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/7_1255426.b3dm"}}}