{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949638,-0.313348,0.000000,0.000000,0.175149,-0.530810,0.829195,0.000000,-0.259279,0.785777,0.561542,0.000000,-1655467.454441,5017089.102623,3561375.622730,1],    "boundingVolume": {    "region": [1.889464,0.596207,1.889562,0.596289,0.000000,14.528207]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/12_1443909.b3dm"}}}