{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897889,-0.440221,0.000000,0.000000,0.285138,-0.581576,0.761883,0.000000,-0.334450,0.682154,0.650238,0.000000,-2136190.627921,4357040.834323,4125387.023167,1],    "boundingVolume": {    "region": [2.026566,0.707784,2.026717,0.708012,0.000000,14.887757]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/1_1793868.b3dm"}}}