{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895065,-0.445935,0.000000,0.000000,0.284312,-0.570660,0.770399,0.000000,-0.342608,0.687670,0.640102,0.000000,-2188201.942950,4392078.183132,4060900.470210,1],    "boundingVolume": {    "region": [2.032949,0.694569,2.033082,0.694693,0.000000,49.547537]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/13_977927.b3dm"}}}