{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.890928,-0.454144,0.000000,0.000000,0.292177,-0.573185,0.765566,0.000000,-0.346708,0.680163,0.645888,0.000000,-2214445.379525,4344244.715836,4097711.143593,1],    "boundingVolume": {    "region": [2.042160,0.702143,2.042255,0.702229,0.000000,11.317641]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/3_1683521.b3dm"}}}