{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950436,-0.310920,0.000000,0.000000,0.173817,-0.531331,0.829141,0.000000,-0.257254,0.786385,0.561621,0.000000,-1642534.865769,5020977.215745,3561880.773607,1],    "boundingVolume": {    "region": [1.886909,0.596295,1.887006,0.596394,0.000000,8.819004]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/3_1388723.b3dm"}}}