{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950764,-0.309917,0.000000,0.000000,0.173365,-0.531849,0.828903,0.000000,-0.256350,0.786429,0.561974,0.000000,-1636763.914538,5021260.689649,3564121.907898,1],    "boundingVolume": {    "region": [1.885820,0.596686,1.885985,0.596855,0.000000,8.777975]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1387492.b3dm"}}}