{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949613,-0.313423,0.000000,0.000000,0.174920,-0.529976,0.829776,0.000000,-0.259525,0.786312,0.560678,0.000000,-1657031.996476,5020492.829843,3555884.137509,1],    "boundingVolume": {    "region": [1.889511,0.595071,1.889673,0.595337,0.000000,8.657353]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1369342.b3dm"}}}