{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949906,-0.312534,0.000000,0.000000,0.174501,-0.530372,0.829611,0.000000,-0.258737,0.786397,0.560923,0.000000,-1652002.557872,5021039.344264,3557441.787195,1],    "boundingVolume": {    "region": [1.888574,0.595435,1.888738,0.595566,0.000000,8.763044]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1354952.b3dm"}}}