{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949323,-0.314301,0.000000,0.000000,0.175717,-0.530739,0.829120,0.000000,-0.260044,0.785444,0.561653,0.000000,-1660352.302987,5014969.755503,3562081.773716,1],    "boundingVolume": {    "region": [1.890467,0.596341,1.890566,0.596423,0.000000,8.665553]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1417228.b3dm"}}}