{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949321,-0.314310,0.000000,0.000000,0.175723,-0.530741,0.829117,0.000000,-0.260050,0.785439,0.561657,0.000000,-1660390.647294,5014938.616623,3562107.566144,1],    "boundingVolume": {    "region": [1.890476,0.596346,1.890575,0.596428,0.000000,8.665553]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1417303.b3dm"}}}