{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944280,-0.329142,0.000000,0.000000,0.184137,-0.528272,0.828868,0.000000,-0.272240,0.781032,0.562027,0.000000,-1738221.701210,4986807.034688,3564455.761627,1],    "boundingVolume": {    "region": [1.906134,0.596797,1.906249,0.596871,0.000000,7.770310]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_129473.b3dm"}}}