{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950866,-0.309603,0.000000,0.000000,0.172986,-0.531280,0.829347,0.000000,-0.256228,0.786939,0.561315,0.000000,-1635985.313374,5024504.460195,3559933.716987,1],    "boundingVolume": {    "region": [1.885499,0.595864,1.885645,0.596084,0.000000,8.797125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1339756.b3dm"}}}