{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898041,-0.439911,0.000000,0.000000,0.281242,-0.574131,0.768945,0.000000,-0.337336,0.688644,0.641852,0.000000,-2154550.976809,4398333.006065,4072033.615561,1],    "boundingVolume": {    "region": [2.026250,0.696883,2.026343,0.696939,0.000000,60.947207]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_750996.b3dm"}}}