{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897893,-0.440213,0.000000,0.000000,0.285138,-0.581590,0.761872,0.000000,-0.334438,0.682147,0.650251,0.000000,-2136118.703386,4357000.031512,4125466.821442,1],    "boundingVolume": {    "region": [2.026556,0.707801,2.026708,0.708028,0.000000,15.795172]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/1_1793944.b3dm"}}}