{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949120,-0.314916,0.000000,0.000000,0.116128,-0.349996,0.929525,0.000000,-0.292453,0.881420,0.370903,0.000000,-1866166.085649,5624410.326154,2350918.172640,1],    "boundingVolume": {    "region": [1.891110,0.379924,1.891218,0.380039,0.000000,62.522310]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/22_1456.b3dm"}}}