{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949626,-0.313387,0.000000,0.000000,0.175167,-0.530790,0.829203,0.000000,-0.259314,0.785774,0.561529,0.000000,-1655690.266931,5017074.528426,3561293.130123,1],    "boundingVolume": {    "region": [1.889504,0.596192,1.889603,0.596273,0.000000,12.457991]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/12_1443666.b3dm"}}}