{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858902,-0.512139,0.000000,0.000000,0.262005,-0.439405,0.859231,0.000000,-0.439269,0.736693,0.514127,0.000000,-2804200.232604,4702888.562501,3260107.729124,1],    "boundingVolume": {    "region": [2.108388,0.539927,2.108552,0.540052,0.000000,37.667233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/0/4_219289.b3dm"}}}