{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950583,-0.310469,0.000000,0.000000,0.173060,-0.529870,0.830234,0.000000,-0.257222,0.787553,0.559997,0.000000,-1642322.266389,5028403.501386,3551557.173394,1],    "boundingVolume": {    "region": [1.886392,0.594309,1.886574,0.594455,0.000000,8.195360]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_1375894.b3dm"}}}