{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950192,-0.311665,0.000000,0.000000,0.174233,-0.531197,0.829140,0.000000,-0.257869,0.786182,0.561623,0.000000,-1646464.233115,5019681.838382,3561892.312826,1],    "boundingVolume": {    "region": [1.887672,0.596242,1.887810,0.596451,0.000000,8.813532]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1336208.b3dm"}}}