{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949224,-0.314602,0.000000,0.000000,0.175467,-0.529422,0.830014,0.000000,-0.260577,0.786217,0.560324,0.000000,-1663743.308686,5019877.071788,3553634.123911,1],    "boundingVolume": {    "region": [1.890787,0.594681,1.890881,0.594872,0.000000,11.832347]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/27_1379716.b3dm"}}}