{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897897,-0.440205,0.000000,0.000000,0.281405,-0.573989,0.768992,0.000000,-0.337582,0.688576,0.641796,0.000000,-2156121.020261,4397897.825333,4071675.018406,1],    "boundingVolume": {    "region": [2.026577,0.696809,2.026670,0.696866,0.000000,39.902750]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/2_750695.b3dm"}}}