{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950339,-0.311218,0.000000,0.000000,0.173884,-0.530974,0.829356,0.000000,-0.257567,0.786510,0.561303,0.000000,-1644533.732535,5021767.213697,3559857.803626,1],    "boundingVolume": {    "region": [1.887221,0.595901,1.887320,0.596018,0.000000,8.622631]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1342845.b3dm"}}}