{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948843,-0.315748,0.000000,0.000000,0.176379,-0.530031,0.829432,0.000000,-0.261341,0.785345,0.561190,0.000000,-1668627.007468,5014328.649012,3559136.335210,1],    "boundingVolume": {    "region": [1.891973,0.595769,1.892110,0.595876,0.000000,8.713683]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/7_1147237.b3dm"}}}