{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951946,-0.306266,0.000000,0.000000,0.169812,-0.527815,0.832211,0.000000,-0.254349,0.790578,0.557039,0.000000,-1623963.094322,5047661.480453,3532757.785894,1],    "boundingVolume": {    "region": [1.882010,0.590772,1.882118,0.590860,0.000000,8.670358]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/29/32_1321718.b3dm"}}}