{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949838,-0.312743,0.000000,0.000000,0.174572,-0.530197,0.829708,0.000000,-0.258941,0.786433,0.560779,0.000000,-1653299.875533,5021266.251701,3556524.894926,1],    "boundingVolume": {    "region": [1.888794,0.595260,1.888958,0.595392,0.000000,8.809494]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1355869.b3dm"}}}