{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951028,-0.309106,0.000000,0.000000,0.172736,-0.531457,0.829286,0.000000,-0.255798,0.787014,0.561406,0.000000,-1633236.219425,5024988.057045,3560509.504626,1],    "boundingVolume": {    "region": [1.884976,0.595974,1.885122,0.596193,0.000000,8.801998]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1422800.b3dm"}}}