{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949210,-0.314643,0.000000,0.000000,0.115949,-0.349793,0.929624,0.000000,-0.292232,0.881599,0.370653,0.000000,-1864751.863560,5625548.363955,2349327.586404,1],    "boundingVolume": {    "region": [1.890823,0.379654,1.890931,0.379769,0.000000,38.546270]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/19_75483.b3dm"}}}