{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950131,-0.311851,0.000000,0.000000,0.173887,-0.529791,0.830112,0.000000,-0.258329,0.787062,0.560179,0.000000,-1649387.935956,5025268.696639,3552711.814283,1],    "boundingVolume": {    "region": [1.887855,0.594536,1.888019,0.594667,0.000000,8.783335]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1458561.b3dm"}}}