{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898126,-0.439738,0.000000,0.000000,0.281187,-0.574301,0.768839,0.000000,-0.337156,0.688613,0.641980,0.000000,-2153401.040029,4398137.891264,4072847.076382,1],    "boundingVolume": {    "region": [2.026056,0.697049,2.026149,0.697106,0.000000,62.901239]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/6_752698.b3dm"}}}