{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949321,-0.314309,0.000000,0.000000,0.175795,-0.530962,0.828960,0.000000,-0.260000,0.785290,0.561889,0.000000,-1660070.336529,5013988.514814,3563584.078786,1],    "boundingVolume": {    "region": [1.890474,0.596657,1.890575,0.596679,0.000000,8.819715]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/12_1421464.b3dm"}}}