{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948846,-0.315739,0.000000,0.000000,0.176380,-0.530051,0.829419,0.000000,-0.261329,0.785336,0.561209,0.000000,-1668553.327543,5014266.408702,3559257.744829,1],    "boundingVolume": {    "region": [1.891963,0.595792,1.892101,0.595899,0.000000,8.713683]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/7_1147401.b3dm"}}}