{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949133,-0.314875,0.000000,0.000000,0.115496,-0.348141,0.930300,0.000000,-0.292662,0.882176,0.368936,0.000000,-1867491.793739,5629206.552465,2338436.675329,1],    "boundingVolume": {    "region": [1.891053,0.377790,1.891191,0.377938,0.000000,52.962850]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4.b3dm"}}}