{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943078,-0.332573,0.000000,0.000000,0.186554,-0.529012,0.827855,0.000000,-0.274738,0.779076,0.563525,0.000000,-1754183.228754,4974341.685857,3573977.040946,1],    "boundingVolume": {    "region": [1.909754,0.598597,1.909899,0.598695,0.000000,8.820447]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_657611.b3dm"}}}