{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949170,-0.314764,0.000000,0.000000,0.175959,-0.530604,0.829155,0.000000,-0.260438,0.785351,0.561601,0.000000,-1662865.878428,5014373.754985,3561750.524752,1],    "boundingVolume": {    "region": [1.890935,0.596266,1.891073,0.596373,0.000000,17.365746]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1448226.b3dm"}}}