{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949895,-0.312570,0.000000,0.000000,0.174525,-0.530379,0.829602,0.000000,-0.258764,0.786378,0.560937,0.000000,-1652171.017544,5020918.727436,3557533.175700,1],    "boundingVolume": {    "region": [1.888612,0.595452,1.888776,0.595583,0.000000,8.462699]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1354748.b3dm"}}}