{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949073,-0.315055,0.000000,0.000000,0.116801,-0.351852,0.928740,0.000000,-0.292333,0.880624,0.372884,0.000000,-1865405.827477,5619359.014046,2363482.556829,1],    "boundingVolume": {    "region": [1.891242,0.382065,1.891380,0.382165,0.000000,7.754006]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/22_65093.b3dm"}}}